Home / 12,089,286.30-18,133,929.45-10,514,646.30

Finding the Fourth Proportional to 12,089,286.30, 18,133,929.45 and 10,514,646.30

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Solution

The fourth proportional to 12,089,286.30, 18,133,929.45 and 10,514,646.30 is: 15,771,969.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,089,286.30 : 18,133,929.45 = 10,514,646.30 : x
  2. Step 2: Convert to fraction form
    12,089,286.30/18,133,929.45 = 10,514,646.30/x
  3. Step 3: Cross multiply
    12,089,286.30x = 18,133,929.45 × 10,514,646.30
  4. Step 4: Simplify right side
    12,089,286.30x = 190,671,854,195,903.53
  5. Step 5: Solve for x
    x = 190,671,854,195,903.53/12,089,286.30
  6. Step 6: Final answer
    x = 15,771,969.45

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Double scale
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Similar ratio
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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.