Home / 15,678,220.10-23,517,330.15-9,938,657.30

Finding the Fourth Proportional to 15,678,220.10, 23,517,330.15 and 9,938,657.30

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Solution

The fourth proportional to 15,678,220.10, 23,517,330.15 and 9,938,657.30 is: 14,907,985.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,678,220.10 : 23,517,330.15 = 9,938,657.30 : x
  2. Step 2: Convert to fraction form
    15,678,220.10/23,517,330.15 = 9,938,657.30/x
  3. Step 3: Cross multiply
    15,678,220.10x = 23,517,330.15 × 9,938,657.30
  4. Step 4: Simplify right side
    15,678,220.10x = 233,730,684,971,807.59
  5. Step 5: Solve for x
    x = 233,730,684,971,807.59/15,678,220.10
  6. Step 6: Final answer
    x = 14,907,985.95

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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.