Home / 8,473,439.10-12,710,158.65-8,142,764.70

Finding the Fourth Proportional to 8,473,439.10, 12,710,158.65 and 8,142,764.70

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Solution

The fourth proportional to 8,473,439.10, 12,710,158.65 and 8,142,764.70 is: 12,214,147.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,473,439.10 : 12,710,158.65 = 8,142,764.70 : x
  2. Step 2: Convert to fraction form
    8,473,439.10/12,710,158.65 = 8,142,764.70/x
  3. Step 3: Cross multiply
    8,473,439.10x = 12,710,158.65 × 8,142,764.70
  4. Step 4: Simplify right side
    8,473,439.10x = 103,495,831,186,619.66
  5. Step 5: Solve for x
    x = 103,495,831,186,619.66/8,473,439.10
  6. Step 6: Final answer
    x = 12,214,147.05

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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.