Home / 7,852,549.48-11,779,086.65-2,172,298.12

Finding the Fourth Proportional to 7,852,549.48, 11,779,086.65 and 2,172,298.12

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Solution

The fourth proportional to 7,852,549.48, 11,779,086.65 and 2,172,298.12 is: 3,258,519.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,852,549.48 : 11,779,086.65 = 2,172,298.12 : x
  2. Step 2: Convert to fraction form
    7,852,549.48/11,779,086.65 = 2,172,298.12/x
  3. Step 3: Cross multiply
    7,852,549.48x = 11,779,086.65 × 2,172,298.12
  4. Step 4: Simplify right side
    7,852,549.48x = 25,587,687,731,647.41
  5. Step 5: Solve for x
    x = 25,587,687,731,647.41/7,852,549.48
  6. Step 6: Final answer
    x = 3,258,519.77

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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.