Home / 18,886,591.80-28,287,897.30-14,612,902.20

Finding the Fourth Proportional to 18,886,591.80, 28,287,897.30 and 14,612,902.20

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Solution

The fourth proportional to 18,886,591.80, 28,287,897.30 and 14,612,902.20 is: 21,886,864.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,886,591.80 : 28,287,897.30 = 14,612,902.20 : x
  2. Step 2: Convert to fraction form
    18,886,591.80/28,287,897.30 = 14,612,902.20/x
  3. Step 3: Cross multiply
    18,886,591.80x = 28,287,897.30 × 14,612,902.20
  4. Step 4: Simplify right side
    18,886,591.80x = 413,368,276,688,544.06
  5. Step 5: Solve for x
    x = 413,368,276,688,544.06/18,886,591.80
  6. Step 6: Final answer
    x = 21,886,864.56

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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.