Home / 9,966,521.70-14,956,780.95-4,290,819.30

Finding the Fourth Proportional to 9,966,521.70, 14,956,780.95 and 4,290,819.30

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Solution

The fourth proportional to 9,966,521.70, 14,956,780.95 and 4,290,819.30 is: 6,439,241.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,966,521.70 : 14,956,780.95 = 4,290,819.30 : x
  2. Step 2: Convert to fraction form
    9,966,521.70/14,956,780.95 = 4,290,819.30/x
  3. Step 3: Cross multiply
    9,966,521.70x = 14,956,780.95 × 4,290,819.30
  4. Step 4: Simplify right side
    9,966,521.70x = 64,176,844,366,132.33
  5. Step 5: Solve for x
    x = 64,176,844,366,132.33/9,966,521.70
  6. Step 6: Final answer
    x = 6,439,241.92

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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.