Home / 8,292,456.40-12,444,214.20-3,802,421.20

Finding the Fourth Proportional to 8,292,456.40, 12,444,214.20 and 3,802,421.20

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Solution

The fourth proportional to 8,292,456.40, 12,444,214.20 and 3,802,421.20 is: 5,706,167.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,292,456.40 : 12,444,214.20 = 3,802,421.20 : x
  2. Step 2: Convert to fraction form
    8,292,456.40/12,444,214.20 = 3,802,421.20/x
  3. Step 3: Cross multiply
    8,292,456.40x = 12,444,214.20 × 3,802,421.20
  4. Step 4: Simplify right side
    8,292,456.40x = 47,318,143,891,421.04
  5. Step 5: Solve for x
    x = 47,318,143,891,421.04/8,292,456.40
  6. Step 6: Final answer
    x = 5,706,167.34

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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.