Home / 16,770,312.66-23,142,892.36-9,428,178.53

Finding the Fourth Proportional to 16,770,312.66, 23,142,892.36 and 9,428,178.53

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Solution

The fourth proportional to 16,770,312.66, 23,142,892.36 and 9,428,178.53 is: 13,010,808.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,770,312.66 : 23,142,892.36 = 9,428,178.53 : x
  2. Step 2: Convert to fraction form
    16,770,312.66/23,142,892.36 = 9,428,178.53/x
  3. Step 3: Cross multiply
    16,770,312.66x = 23,142,892.36 × 9,428,178.53
  4. Step 4: Simplify right side
    16,770,312.66x = 218,195,320,870,653
  5. Step 5: Solve for x
    x = 218,195,320,870,653/16,770,312.66
  6. Step 6: Final answer
    x = 13,010,808.16

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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.