Home / 21,630,671.69-29,850,324.71-11,707,552.65

Finding the Fourth Proportional to 21,630,671.69, 29,850,324.71 and 11,707,552.65

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Solution

The fourth proportional to 21,630,671.69, 29,850,324.71 and 11,707,552.65 is: 16,156,421.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,630,671.69 : 29,850,324.71 = 11,707,552.65 : x
  2. Step 2: Convert to fraction form
    21,630,671.69/29,850,324.71 = 11,707,552.65/x
  3. Step 3: Cross multiply
    21,630,671.69x = 29,850,324.71 × 11,707,552.65
  4. Step 4: Simplify right side
    21,630,671.69x = 349,474,248,161,921
  5. Step 5: Solve for x
    x = 349,474,248,161,921/21,630,671.69
  6. Step 6: Final answer
    x = 16,156,421.45

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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.