Home / 10,177,985.60-15,266,978.40-8,792,302.40

Finding the Fourth Proportional to 10,177,985.60, 15,266,978.40 and 8,792,302.40

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Solution

The fourth proportional to 10,177,985.60, 15,266,978.40 and 8,792,302.40 is: 13,188,453.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,177,985.60 : 15,266,978.40 = 8,792,302.40 : x
  2. Step 2: Convert to fraction form
    10,177,985.60/15,266,978.40 = 8,792,302.40/x
  3. Step 3: Cross multiply
    10,177,985.60x = 15,266,978.40 × 8,792,302.40
  4. Step 4: Simplify right side
    10,177,985.60x = 134,231,890,827,068.17
  5. Step 5: Solve for x
    x = 134,231,890,827,068.17/10,177,985.60
  6. Step 6: Final answer
    x = 13,188,453.60

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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.