Home / 18,924,409.17-28,386,206.19-5,277,191.94

Finding the Fourth Proportional to 18,924,409.17, 28,386,206.19 and 5,277,191.94

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Solution

The fourth proportional to 18,924,409.17, 28,386,206.19 and 5,277,191.94 is: 7,915,674.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,924,409.17 : 28,386,206.19 = 5,277,191.94 : x
  2. Step 2: Convert to fraction form
    18,924,409.17/28,386,206.19 = 5,277,191.94/x
  3. Step 3: Cross multiply
    18,924,409.17x = 28,386,206.19 × 5,277,191.94
  4. Step 4: Simplify right side
    18,924,409.17x = 149,799,458,513,046.12
  5. Step 5: Solve for x
    x = 149,799,458,513,046.12/18,924,409.17
  6. Step 6: Final answer
    x = 7,915,674.26

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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.