Home / 13,238,534.10-19,876,463.55-8,199,686.10

Finding the Fourth Proportional to 13,238,534.10, 19,876,463.55 and 8,199,686.10

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Solution

The fourth proportional to 13,238,534.10, 19,876,463.55 and 8,199,686.10 is: 12,311,088.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,238,534.10 : 19,876,463.55 = 8,199,686.10 : x
  2. Step 2: Convert to fraction form
    13,238,534.10/19,876,463.55 = 8,199,686.10/x
  3. Step 3: Cross multiply
    13,238,534.10x = 19,876,463.55 × 8,199,686.10
  4. Step 4: Simplify right side
    13,238,534.10x = 162,980,761,888,091.66
  5. Step 5: Solve for x
    x = 162,980,761,888,091.66/13,238,534.10
  6. Step 6: Final answer
    x = 12,311,088.27

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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.