Home / 22,740,070.78-31,384,498.13-14,477,493.65

Finding the Fourth Proportional to 22,740,070.78, 31,384,498.13 and 14,477,493.65

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Solution

The fourth proportional to 22,740,070.78, 31,384,498.13 and 14,477,493.65 is: 19,980,978.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,740,070.78 : 31,384,498.13 = 14,477,493.65 : x
  2. Step 2: Convert to fraction form
    22,740,070.78/31,384,498.13 = 14,477,493.65/x
  3. Step 3: Cross multiply
    22,740,070.78x = 31,384,498.13 × 14,477,493.65
  4. Step 4: Simplify right side
    22,740,070.78x = 454,368,872,500,166.88
  5. Step 5: Solve for x
    x = 454,368,872,500,166.88/22,740,070.78
  6. Step 6: Final answer
    x = 19,980,978.82

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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.