Home / 12,089,166.30-18,133,749.45-10,514,526.30

Finding the Fourth Proportional to 12,089,166.30, 18,133,749.45 and 10,514,526.30

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Solution

The fourth proportional to 12,089,166.30, 18,133,749.45 and 10,514,526.30 is: 15,771,789.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,089,166.30 : 18,133,749.45 = 10,514,526.30 : x
  2. Step 2: Convert to fraction form
    12,089,166.30/18,133,749.45 = 10,514,526.30/x
  3. Step 3: Cross multiply
    12,089,166.30x = 18,133,749.45 × 10,514,526.30
  4. Step 4: Simplify right side
    12,089,166.30x = 190,667,785,509,635.53
  5. Step 5: Solve for x
    x = 190,667,785,509,635.53/12,089,166.30
  6. Step 6: Final answer
    x = 15,771,789.45

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Double scale
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Similar ratio
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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.