Home / 28,381,557.80-42,577,866.30-11,339,330.60

Finding the Fourth Proportional to 28,381,557.80, 42,577,866.30 and 11,339,330.60

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Solution

The fourth proportional to 28,381,557.80, 42,577,866.30 and 11,339,330.60 is: 17,011,205.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,381,557.80 : 42,577,866.30 = 11,339,330.60 : x
  2. Step 2: Convert to fraction form
    28,381,557.80/42,577,866.30 = 11,339,330.60/x
  3. Step 3: Cross multiply
    28,381,557.80x = 42,577,866.30 × 11,339,330.60
  4. Step 4: Simplify right side
    28,381,557.80x = 482,804,502,218,298.75
  5. Step 5: Solve for x
    x = 482,804,502,218,298.75/28,381,557.80
  6. Step 6: Final answer
    x = 17,011,205.15

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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.