Home / 12,254,565.60-18,381,848.40-3,279,117.60

Finding the Fourth Proportional to 12,254,565.60, 18,381,848.40 and 3,279,117.60

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Solution

The fourth proportional to 12,254,565.60, 18,381,848.40 and 3,279,117.60 is: 4,918,676.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,254,565.60 : 18,381,848.40 = 3,279,117.60 : x
  2. Step 2: Convert to fraction form
    12,254,565.60/18,381,848.40 = 3,279,117.60/x
  3. Step 3: Cross multiply
    12,254,565.60x = 18,381,848.40 × 3,279,117.60
  4. Step 4: Simplify right side
    12,254,565.60x = 60,276,242,608,971.84
  5. Step 5: Solve for x
    x = 60,276,242,608,971.84/12,254,565.60
  6. Step 6: Final answer
    x = 4,918,676.40

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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.