Home / 27,131,030.30-40,696,545.45-18,521,686.10

Finding the Fourth Proportional to 27,131,030.30, 40,696,545.45 and 18,521,686.10

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Solution

The fourth proportional to 27,131,030.30, 40,696,545.45 and 18,521,686.10 is: 27,782,529.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,131,030.30 : 40,696,545.45 = 18,521,686.10 : x
  2. Step 2: Convert to fraction form
    27,131,030.30/40,696,545.45 = 18,521,686.10/x
  3. Step 3: Cross multiply
    27,131,030.30x = 40,696,545.45 × 18,521,686.10
  4. Step 4: Simplify right side
    27,131,030.30x = 753,768,640,179,283.38
  5. Step 5: Solve for x
    x = 753,768,640,179,283.38/27,131,030.30
  6. Step 6: Final answer
    x = 27,782,529.15

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.