Home / 22,668,204.75-31,282,134.20-12,878,666.05

Finding the Fourth Proportional to 22,668,204.75, 31,282,134.20 and 12,878,666.05

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Solution

The fourth proportional to 22,668,204.75, 31,282,134.20 and 12,878,666.05 is: 17,772,565.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,668,204.75 : 31,282,134.20 = 12,878,666.05 : x
  2. Step 2: Convert to fraction form
    22,668,204.75/31,282,134.20 = 12,878,666.05/x
  3. Step 3: Cross multiply
    22,668,204.75x = 31,282,134.20 × 12,878,666.05
  4. Step 4: Simplify right side
    22,668,204.75x = 402,872,159,693,083.94
  5. Step 5: Solve for x
    x = 402,872,159,693,083.94/22,668,204.75
  6. Step 6: Final answer
    x = 17,772,565.76

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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.