Home / 15,267,444.32-21,068,831.68-8,391,778.72

Finding the Fourth Proportional to 15,267,444.32, 21,068,831.68 and 8,391,778.72

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Solution

The fourth proportional to 15,267,444.32, 21,068,831.68 and 8,391,778.72 is: 11,580,521.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,267,444.32 : 21,068,831.68 = 8,391,778.72 : x
  2. Step 2: Convert to fraction form
    15,267,444.32/21,068,831.68 = 8,391,778.72/x
  3. Step 3: Cross multiply
    15,267,444.32x = 21,068,831.68 × 8,391,778.72
  4. Step 4: Simplify right side
    15,267,444.32x = 176,804,973,347,485.88
  5. Step 5: Solve for x
    x = 176,804,973,347,485.88/15,267,444.32
  6. Step 6: Final answer
    x = 11,580,521.90

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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.