Home / 8,748,809.80-13,123,214.70-5,557,539.40

Finding the Fourth Proportional to 8,748,809.80, 13,123,214.70 and 5,557,539.40

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Solution

The fourth proportional to 8,748,809.80, 13,123,214.70 and 5,557,539.40 is: 8,336,309.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,748,809.80 : 13,123,214.70 = 5,557,539.40 : x
  2. Step 2: Convert to fraction form
    8,748,809.80/13,123,214.70 = 5,557,539.40/x
  3. Step 3: Cross multiply
    8,748,809.80x = 13,123,214.70 × 5,557,539.40
  4. Step 4: Simplify right side
    8,748,809.80x = 72,932,782,749,909.19
  5. Step 5: Solve for x
    x = 72,932,782,749,909.19/8,748,809.80
  6. Step 6: Final answer
    x = 8,336,309.10

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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.