Home / 12,771,398.10-19,157,097.15-11,385,714.90

Finding the Fourth Proportional to 12,771,398.10, 19,157,097.15 and 11,385,714.90

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Solution

The fourth proportional to 12,771,398.10, 19,157,097.15 and 11,385,714.90 is: 17,078,572.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,771,398.10 : 19,157,097.15 = 11,385,714.90 : x
  2. Step 2: Convert to fraction form
    12,771,398.10/19,157,097.15 = 11,385,714.90/x
  3. Step 3: Cross multiply
    12,771,398.10x = 19,157,097.15 × 11,385,714.90
  4. Step 4: Simplify right side
    12,771,398.10x = 218,117,246,461,502.53
  5. Step 5: Solve for x
    x = 218,117,246,461,502.53/12,771,398.10
  6. Step 6: Final answer
    x = 17,078,572.35

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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.