Home / 19,418,558.10-29,127,837.15-8,081,150.10

Finding the Fourth Proportional to 19,418,558.10, 29,127,837.15 and 8,081,150.10

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Solution

The fourth proportional to 19,418,558.10, 29,127,837.15 and 8,081,150.10 is: 12,121,725.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,418,558.10 : 29,127,837.15 = 8,081,150.10 : x
  2. Step 2: Convert to fraction form
    19,418,558.10/29,127,837.15 = 8,081,150.10/x
  3. Step 3: Cross multiply
    19,418,558.10x = 29,127,837.15 × 8,081,150.10
  4. Step 4: Simplify right side
    19,418,558.10x = 235,386,424,097,506.19
  5. Step 5: Solve for x
    x = 235,386,424,097,506.19/19,418,558.10
  6. Step 6: Final answer
    x = 12,121,725.15

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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.