Home / 22,667,572.80-31,281,981.12-12,877,838.88

Finding the Fourth Proportional to 22,667,572.80, 31,281,981.12 and 12,877,838.88

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Solution

The fourth proportional to 22,667,572.80, 31,281,981.12 and 12,877,838.88 is: 17,771,832.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,667,572.80 : 31,281,981.12 = 12,877,838.88 : x
  2. Step 2: Convert to fraction form
    22,667,572.80/31,281,981.12 = 12,877,838.88/x
  3. Step 3: Cross multiply
    22,667,572.80x = 31,281,981.12 × 12,877,838.88
  4. Step 4: Simplify right side
    22,667,572.80x = 402,844,312,710,562
  5. Step 5: Solve for x
    x = 402,844,312,710,562/22,667,572.80
  6. Step 6: Final answer
    x = 17,771,832.75

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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.