Home / 9,966,512.70-14,956,767.45-4,290,810.30

Finding the Fourth Proportional to 9,966,512.70, 14,956,767.45 and 4,290,810.30

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Solution

The fourth proportional to 9,966,512.70, 14,956,767.45 and 4,290,810.30 is: 6,439,228.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,966,512.70 : 14,956,767.45 = 4,290,810.30 : x
  2. Step 2: Convert to fraction form
    9,966,512.70/14,956,767.45 = 4,290,810.30/x
  3. Step 3: Cross multiply
    9,966,512.70x = 14,956,767.45 × 4,290,810.30
  4. Step 4: Simplify right side
    9,966,512.70x = 64,176,651,829,164.73
  5. Step 5: Solve for x
    x = 64,176,651,829,164.73/9,966,512.70
  6. Step 6: Final answer
    x = 6,439,228.42

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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.