Home / 10,429,759.80-15,662,354.40-7,737,125.40

Finding the Fourth Proportional to 10,429,759.80, 15,662,354.40 and 7,737,125.40

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Solution

The fourth proportional to 10,429,759.80, 15,662,354.40 and 7,737,125.40 is: 11,618,829.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,429,759.80 : 15,662,354.40 = 7,737,125.40 : x
  2. Step 2: Convert to fraction form
    10,429,759.80/15,662,354.40 = 7,737,125.40/x
  3. Step 3: Cross multiply
    10,429,759.80x = 15,662,354.40 × 7,737,125.40
  4. Step 4: Simplify right side
    10,429,759.80x = 121,181,600,052,041.77
  5. Step 5: Solve for x
    x = 121,181,600,052,041.77/10,429,759.80
  6. Step 6: Final answer
    x = 11,618,829.42

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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.