Home / 12,590,036.20-18,857,060.70-9,740,909.80

Finding the Fourth Proportional to 12,590,036.20, 18,857,060.70 and 9,740,909.80

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Solution

The fourth proportional to 12,590,036.20, 18,857,060.70 and 9,740,909.80 is: 14,589,706.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,590,036.20 : 18,857,060.70 = 9,740,909.80 : x
  2. Step 2: Convert to fraction form
    12,590,036.20/18,857,060.70 = 9,740,909.80/x
  3. Step 3: Cross multiply
    12,590,036.20x = 18,857,060.70 × 9,740,909.80
  4. Step 4: Simplify right side
    12,590,036.20x = 183,684,927,371,824.88
  5. Step 5: Solve for x
    x = 183,684,927,371,824.88/12,590,036.20
  6. Step 6: Final answer
    x = 14,589,706.05

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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.