Home / 15,125,945.76-20,875,422.06-9,249,024.24

Finding the Fourth Proportional to 15,125,945.76, 20,875,422.06 and 9,249,024.24

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Solution

The fourth proportional to 15,125,945.76, 20,875,422.06 and 9,249,024.24 is: 12,764,642.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,125,945.76 : 20,875,422.06 = 9,249,024.24 : x
  2. Step 2: Convert to fraction form
    15,125,945.76/20,875,422.06 = 9,249,024.24/x
  3. Step 3: Cross multiply
    15,125,945.76x = 20,875,422.06 × 9,249,024.24
  4. Step 4: Simplify right side
    15,125,945.76x = 193,077,284,653,170.72
  5. Step 5: Solve for x
    x = 193,077,284,653,170.72/15,125,945.76
  6. Step 6: Final answer
    x = 12,764,642.14

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Why These Related Problems?

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