Home / 9,008,859.12-12,432,071.94-4,878,856.79

Finding the Fourth Proportional to 9,008,859.12, 12,432,071.94 and 4,878,856.79

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Solution

The fourth proportional to 9,008,859.12, 12,432,071.94 and 4,878,856.79 is: 6,732,739.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,008,859.12 : 12,432,071.94 = 4,878,856.79 : x
  2. Step 2: Convert to fraction form
    9,008,859.12/12,432,071.94 = 4,878,856.79/x
  3. Step 3: Cross multiply
    9,008,859.12x = 12,432,071.94 × 4,878,856.79
  4. Step 4: Simplify right side
    9,008,859.12x = 60,654,298,598,237.47
  5. Step 5: Solve for x
    x = 60,654,298,598,237.47/9,008,859.12
  6. Step 6: Final answer
    x = 6,732,739.16

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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.