Home / 23,238,407.88-34,783,078.86-12,428,679.24

Finding the Fourth Proportional to 23,238,407.88, 34,783,078.86 and 12,428,679.24

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Solution

The fourth proportional to 23,238,407.88, 34,783,078.86 and 12,428,679.24 is: 18,603,156.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    23,238,407.88 : 34,783,078.86 = 12,428,679.24 : x
  2. Step 2: Convert to fraction form
    23,238,407.88/34,783,078.86 = 12,428,679.24/x
  3. Step 3: Cross multiply
    23,238,407.88x = 34,783,078.86 × 12,428,679.24
  4. Step 4: Simplify right side
    23,238,407.88x = 432,307,730,130,564.88
  5. Step 5: Solve for x
    x = 432,307,730,130,564.88/23,238,407.88
  6. Step 6: Final answer
    x = 18,603,156.14

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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.