Home / 8,473,447.10-12,710,170.65-8,142,772.70

Finding the Fourth Proportional to 8,473,447.10, 12,710,170.65 and 8,142,772.70

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Solution

The fourth proportional to 8,473,447.10, 12,710,170.65 and 8,142,772.70 is: 12,214,159.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,473,447.10 : 12,710,170.65 = 8,142,772.70 : x
  2. Step 2: Convert to fraction form
    8,473,447.10/12,710,170.65 = 8,142,772.70/x
  3. Step 3: Cross multiply
    8,473,447.10x = 12,710,170.65 × 8,142,772.70
  4. Step 4: Simplify right side
    8,473,447.10x = 103,496,030,581,161.27
  5. Step 5: Solve for x
    x = 103,496,030,581,161.27/8,473,447.10
  6. Step 6: Final answer
    x = 12,214,159.05

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Double scale
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Similar ratio
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1.5x scale

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.