Home / 12,948,696.60-19,423,044.90-6,213,643.80

Finding the Fourth Proportional to 12,948,696.60, 19,423,044.90 and 6,213,643.80

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Solution

The fourth proportional to 12,948,696.60, 19,423,044.90 and 6,213,643.80 is: 9,320,465.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,948,696.60 : 19,423,044.90 = 6,213,643.80 : x
  2. Step 2: Convert to fraction form
    12,948,696.60/19,423,044.90 = 6,213,643.80/x
  3. Step 3: Cross multiply
    12,948,696.60x = 19,423,044.90 × 6,213,643.80
  4. Step 4: Simplify right side
    12,948,696.60x = 120,687,882,520,006.61
  5. Step 5: Solve for x
    x = 120,687,882,520,006.61/12,948,696.60
  6. Step 6: Final answer
    x = 9,320,465.70

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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.