Home / 12,440,135.32-17,168,248.28-7,545,563.71

Finding the Fourth Proportional to 12,440,135.32, 17,168,248.28 and 7,545,563.71

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Solution

The fourth proportional to 12,440,135.32, 17,168,248.28 and 7,545,563.71 is: 10,413,400.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,440,135.32 : 17,168,248.28 = 7,545,563.71 : x
  2. Step 2: Convert to fraction form
    12,440,135.32/17,168,248.28 = 7,545,563.71/x
  3. Step 3: Cross multiply
    12,440,135.32x = 17,168,248.28 × 7,545,563.71
  4. Step 4: Simplify right side
    12,440,135.32x = 129,544,111,161,781.19
  5. Step 5: Solve for x
    x = 129,544,111,161,781.19/12,440,135.32
  6. Step 6: Final answer
    x = 10,413,400.49

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1.5x scale

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.