Home / 13,564,541.76-18,719,280.08-7,369,711.17

Finding the Fourth Proportional to 13,564,541.76, 18,719,280.08 and 7,369,711.17

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Solution

The fourth proportional to 13,564,541.76, 18,719,280.08 and 7,369,711.17 is: 10,170,316.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,564,541.76 : 18,719,280.08 = 7,369,711.17 : x
  2. Step 2: Convert to fraction form
    13,564,541.76/18,719,280.08 = 7,369,711.17/x
  3. Step 3: Cross multiply
    13,564,541.76x = 18,719,280.08 × 7,369,711.17
  4. Step 4: Simplify right side
    13,564,541.76x = 137,955,687,499,934.48
  5. Step 5: Solve for x
    x = 137,955,687,499,934.48/13,564,541.76
  6. Step 6: Final answer
    x = 10,170,316.84

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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.