Home / 13,720,507.43-18,934,327.31-7,525,604.57

Finding the Fourth Proportional to 13,720,507.43, 18,934,327.31 and 7,525,604.57

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Solution

The fourth proportional to 13,720,507.43, 18,934,327.31 and 7,525,604.57 is: 10,385,349.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,720,507.43 : 18,934,327.31 = 7,525,604.57 : x
  2. Step 2: Convert to fraction form
    13,720,507.43/18,934,327.31 = 7,525,604.57/x
  3. Step 3: Cross multiply
    13,720,507.43x = 18,934,327.31 × 7,525,604.57
  4. Step 4: Simplify right side
    13,720,507.43x = 142,492,260,001,712.16
  5. Step 5: Solve for x
    x = 142,492,260,001,712.16/13,720,507.43
  6. Step 6: Final answer
    x = 10,385,349.14

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.