Home / 15,452,947.20-23,179,420.80-9,779,577.60

Finding the Fourth Proportional to 15,452,947.20, 23,179,420.80 and 9,779,577.60

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Solution

The fourth proportional to 15,452,947.20, 23,179,420.80 and 9,779,577.60 is: 14,669,366.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,452,947.20 : 23,179,420.80 = 9,779,577.60 : x
  2. Step 2: Convert to fraction form
    15,452,947.20/23,179,420.80 = 9,779,577.60/x
  3. Step 3: Cross multiply
    15,452,947.20x = 23,179,420.80 × 9,779,577.60
  4. Step 4: Simplify right side
    15,452,947.20x = 226,684,944,436,654.09
  5. Step 5: Solve for x
    x = 226,684,944,436,654.09/15,452,947.20
  6. Step 6: Final answer
    x = 14,669,366.40

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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.