Home / 15,845,017.43-21,868,054.95-9,318,331.46

Finding the Fourth Proportional to 15,845,017.43, 21,868,054.95 and 9,318,331.46

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Solution

The fourth proportional to 15,845,017.43, 21,868,054.95 and 9,318,331.46 is: 12,860,432.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,845,017.43 : 21,868,054.95 = 9,318,331.46 : x
  2. Step 2: Convert to fraction form
    15,845,017.43/21,868,054.95 = 9,318,331.46/x
  3. Step 3: Cross multiply
    15,845,017.43x = 21,868,054.95 × 9,318,331.46
  4. Step 4: Simplify right side
    15,845,017.43x = 203,773,784,300,253.44
  5. Step 5: Solve for x
    x = 203,773,784,300,253.44/15,845,017.43
  6. Step 6: Final answer
    x = 12,860,432.96

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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.