Home / 21,555,267.76-29,741,829.08-12,386,139.04

Finding the Fourth Proportional to 21,555,267.76, 29,741,829.08 and 12,386,139.04

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Solution

The fourth proportional to 21,555,267.76, 29,741,829.08 and 12,386,139.04 is: 17,090,320.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,555,267.76 : 29,741,829.08 = 12,386,139.04 : x
  2. Step 2: Convert to fraction form
    21,555,267.76/29,741,829.08 = 12,386,139.04/x
  3. Step 3: Cross multiply
    21,555,267.76x = 29,741,829.08 × 12,386,139.04
  4. Step 4: Simplify right side
    21,555,267.76x = 368,386,430,288,795.25
  5. Step 5: Solve for x
    x = 368,386,430,288,795.25/21,555,267.76
  6. Step 6: Final answer
    x = 17,090,320.31

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These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.