Home / 28,511,731.60-42,763,267.12-9,342,064.24

Finding the Fourth Proportional to 28,511,731.60, 42,763,267.12 and 9,342,064.24

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Solution

The fourth proportional to 28,511,731.60, 42,763,267.12 and 9,342,064.24 is: 14,011,677.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,511,731.60 : 42,763,267.12 = 9,342,064.24 : x
  2. Step 2: Convert to fraction form
    28,511,731.60/42,763,267.12 = 9,342,064.24/x
  3. Step 3: Cross multiply
    28,511,731.60x = 42,763,267.12 × 9,342,064.24
  4. Step 4: Simplify right side
    28,511,731.60x = 399,497,188,547,319.75
  5. Step 5: Solve for x
    x = 399,497,188,547,319.75/28,511,731.60
  6. Step 6: Final answer
    x = 14,011,677.51

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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.