Home / 12,187,340.28-18,276,770.79-4,898,636.16

Finding the Fourth Proportional to 12,187,340.28, 18,276,770.79 and 4,898,636.16

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Solution

The fourth proportional to 12,187,340.28, 18,276,770.79 and 4,898,636.16 is: 7,346,250.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,187,340.28 : 18,276,770.79 = 4,898,636.16 : x
  2. Step 2: Convert to fraction form
    12,187,340.28/18,276,770.79 = 4,898,636.16/x
  3. Step 3: Cross multiply
    12,187,340.28x = 18,276,770.79 × 4,898,636.16
  4. Step 4: Simplify right side
    12,187,340.28x = 89,531,250,279,925.77
  5. Step 5: Solve for x
    x = 89,531,250,279,925.77/12,187,340.28
  6. Step 6: Final answer
    x = 7,346,250.14

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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.