Home / 12,316,041.20-18,453,066.60-10,174,530.80

Finding the Fourth Proportional to 12,316,041.20, 18,453,066.60 and 10,174,530.80

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Solution

The fourth proportional to 12,316,041.20, 18,453,066.60 and 10,174,530.80 is: 15,244,451.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,316,041.20 : 18,453,066.60 = 10,174,530.80 : x
  2. Step 2: Convert to fraction form
    12,316,041.20/18,453,066.60 = 10,174,530.80/x
  3. Step 3: Cross multiply
    12,316,041.20x = 18,453,066.60 × 10,174,530.80
  4. Step 4: Simplify right side
    12,316,041.20x = 187,751,294,476,151.31
  5. Step 5: Solve for x
    x = 187,751,294,476,151.31/12,316,041.20
  6. Step 6: Final answer
    x = 15,244,451.64

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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.