Home / 8,473,423.10-12,710,134.65-8,142,748.70

Finding the Fourth Proportional to 8,473,423.10, 12,710,134.65 and 8,142,748.70

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Solution

The fourth proportional to 8,473,423.10, 12,710,134.65 and 8,142,748.70 is: 12,214,123.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,473,423.10 : 12,710,134.65 = 8,142,748.70 : x
  2. Step 2: Convert to fraction form
    8,473,423.10/12,710,134.65 = 8,142,748.70/x
  3. Step 3: Cross multiply
    8,473,423.10x = 12,710,134.65 × 8,142,748.70
  4. Step 4: Simplify right side
    8,473,423.10x = 103,495,432,398,112.45
  5. Step 5: Solve for x
    x = 103,495,432,398,112.45/8,473,423.10
  6. Step 6: Final answer
    x = 12,214,123.05

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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.