Home / 15,106,538.20-22,659,807.30-12,715,053.70

Finding the Fourth Proportional to 15,106,538.20, 22,659,807.30 and 12,715,053.70

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Solution

The fourth proportional to 15,106,538.20, 22,659,807.30 and 12,715,053.70 is: 19,072,580.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,106,538.20 : 22,659,807.30 = 12,715,053.70 : x
  2. Step 2: Convert to fraction form
    15,106,538.20/22,659,807.30 = 12,715,053.70/x
  3. Step 3: Cross multiply
    15,106,538.20x = 22,659,807.30 × 12,715,053.70
  4. Step 4: Simplify right side
    15,106,538.20x = 288,120,666,651,152
  5. Step 5: Solve for x
    x = 288,120,666,651,152/15,106,538.20
  6. Step 6: Final answer
    x = 19,072,580.55

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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.