Home / 8,473,426.60-12,710,139.90-8,142,752.20

Finding the Fourth Proportional to 8,473,426.60, 12,710,139.90 and 8,142,752.20

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Solution

The fourth proportional to 8,473,426.60, 12,710,139.90 and 8,142,752.20 is: 12,214,128.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,473,426.60 : 12,710,139.90 = 8,142,752.20 : x
  2. Step 2: Convert to fraction form
    8,473,426.60/12,710,139.90 = 8,142,752.20/x
  3. Step 3: Cross multiply
    8,473,426.60x = 12,710,139.90 × 8,142,752.20
  4. Step 4: Simplify right side
    8,473,426.60x = 103,495,519,633,032.78
  5. Step 5: Solve for x
    x = 103,495,519,633,032.78/8,473,426.60
  6. Step 6: Final answer
    x = 12,214,128.30

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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.