Home / 12,456,565.60-18,684,848.40-11,110,248.40

Finding the Fourth Proportional to 12,456,565.60, 18,684,848.40 and 11,110,248.40

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Solution

The fourth proportional to 12,456,565.60, 18,684,848.40 and 11,110,248.40 is: 16,665,372.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,456,565.60 : 18,684,848.40 = 11,110,248.40 : x
  2. Step 2: Convert to fraction form
    12,456,565.60/18,684,848.40 = 11,110,248.40/x
  3. Step 3: Cross multiply
    12,456,565.60x = 18,684,848.40 × 11,110,248.40
  4. Step 4: Simplify right side
    12,456,565.60x = 207,593,307,040,342.56
  5. Step 5: Solve for x
    x = 207,593,307,040,342.56/12,456,565.60
  6. Step 6: Final answer
    x = 16,665,372.60

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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.