Home / 21,003,084-28,984,281.84-11,345,292

Finding the Fourth Proportional to 21,003,084, 28,984,281.84 and 11,345,292

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Solution

The fourth proportional to 21,003,084, 28,984,281.84 and 11,345,292 is: 15,656,516.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,003,084 : 28,984,281.84 = 11,345,292 : x
  2. Step 2: Convert to fraction form
    21,003,084/28,984,281.84 = 11,345,292/x
  3. Step 3: Cross multiply
    21,003,084x = 28,984,281.84 × 11,345,292
  4. Step 4: Simplify right side
    21,003,084x = 328,835,140,885,097.25
  5. Step 5: Solve for x
    x = 328,835,140,885,097.25/21,003,084
  6. Step 6: Final answer
    x = 15,656,516.96

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.