Home / 28,343,077.70-42,514,616.55-12,166,276.10

Finding the Fourth Proportional to 28,343,077.70, 42,514,616.55 and 12,166,276.10

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Solution

The fourth proportional to 28,343,077.70, 42,514,616.55 and 12,166,276.10 is: 18,249,414.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,343,077.70 : 42,514,616.55 = 12,166,276.10 : x
  2. Step 2: Convert to fraction form
    28,343,077.70/42,514,616.55 = 12,166,276.10/x
  3. Step 3: Cross multiply
    28,343,077.70x = 42,514,616.55 × 12,166,276.10
  4. Step 4: Simplify right side
    28,343,077.70x = 517,244,563,232,929.38
  5. Step 5: Solve for x
    x = 517,244,563,232,929.38/28,343,077.70
  6. Step 6: Final answer
    x = 18,249,414.15

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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.