Home / 21,506,339.28-29,678,658.48-11,716,752.96

Finding the Fourth Proportional to 21,506,339.28, 29,678,658.48 and 11,716,752.96

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Solution

The fourth proportional to 21,506,339.28, 29,678,658.48 and 11,716,752.96 is: 16,169,070.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,506,339.28 : 29,678,658.48 = 11,716,752.96 : x
  2. Step 2: Convert to fraction form
    21,506,339.28/29,678,658.48 = 11,716,752.96/x
  3. Step 3: Cross multiply
    21,506,339.28x = 29,678,658.48 × 11,716,752.96
  4. Step 4: Simplify right side
    21,506,339.28x = 347,737,509,594,369.12
  5. Step 5: Solve for x
    x = 347,737,509,594,369.12/21,506,339.28
  6. Step 6: Final answer
    x = 16,169,070.20

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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.