Home / 12,239,585.40-18,361,127.70-4,152,934.20

Finding the Fourth Proportional to 12,239,585.40, 18,361,127.70 and 4,152,934.20

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Solution

The fourth proportional to 12,239,585.40, 18,361,127.70 and 4,152,934.20 is: 6,229,994.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,239,585.40 : 18,361,127.70 = 4,152,934.20 : x
  2. Step 2: Convert to fraction form
    12,239,585.40/18,361,127.70 = 4,152,934.20/x
  3. Step 3: Cross multiply
    12,239,585.40x = 18,361,127.70 × 4,152,934.20
  4. Step 4: Simplify right side
    12,239,585.40x = 76,252,555,175,897.34
  5. Step 5: Solve for x
    x = 76,252,555,175,897.34/12,239,585.40
  6. Step 6: Final answer
    x = 6,229,994.95

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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.