Home / 12,539,947.52-18,815,247.04-6,853,528.32

Finding the Fourth Proportional to 12,539,947.52, 18,815,247.04 and 6,853,528.32

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Solution

The fourth proportional to 12,539,947.52, 18,815,247.04 and 6,853,528.32 is: 10,283,203.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,539,947.52 : 18,815,247.04 = 6,853,528.32 : x
  2. Step 2: Convert to fraction form
    12,539,947.52/18,815,247.04 = 6,853,528.32/x
  3. Step 3: Cross multiply
    12,539,947.52x = 18,815,247.04 × 6,853,528.32
  4. Step 4: Simplify right side
    12,539,947.52x = 128,950,828,436,436.17
  5. Step 5: Solve for x
    x = 128,950,828,436,436.17/12,539,947.52
  6. Step 6: Final answer
    x = 10,283,203.20

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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.