Home / 19,372,901.15-29,059,387.90-18,189,116.12

Finding the Fourth Proportional to 19,372,901.15, 29,059,387.90 and 18,189,116.12

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Solution

The fourth proportional to 19,372,901.15, 29,059,387.90 and 18,189,116.12 is: 27,283,708.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,372,901.15 : 29,059,387.90 = 18,189,116.12 : x
  2. Step 2: Convert to fraction form
    19,372,901.15/29,059,387.90 = 18,189,116.12/x
  3. Step 3: Cross multiply
    19,372,901.15x = 29,059,387.90 × 18,189,116.12
  4. Step 4: Simplify right side
    19,372,901.15x = 528,564,580,698,453.19
  5. Step 5: Solve for x
    x = 528,564,580,698,453.19/19,372,901.15
  6. Step 6: Final answer
    x = 27,283,708.14

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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.