Home / 13,618,084.34-18,792,951.80-7,506,614.90

Finding the Fourth Proportional to 13,618,084.34, 18,792,951.80 and 7,506,614.90

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Solution

The fourth proportional to 13,618,084.34, 18,792,951.80 and 7,506,614.90 is: 10,359,126.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,618,084.34 : 18,792,951.80 = 7,506,614.90 : x
  2. Step 2: Convert to fraction form
    13,618,084.34/18,792,951.80 = 7,506,614.90/x
  3. Step 3: Cross multiply
    13,618,084.34x = 18,792,951.80 × 7,506,614.90
  4. Step 4: Simplify right side
    13,618,084.34x = 141,071,451,996,861.84
  5. Step 5: Solve for x
    x = 141,071,451,996,861.84/13,618,084.34
  6. Step 6: Final answer
    x = 10,359,126.03

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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.