Home / 5,428,165.60-8,142,248.40-4,966,271.20

Finding the Fourth Proportional to 5,428,165.60, 8,142,248.40 and 4,966,271.20

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Solution

The fourth proportional to 5,428,165.60, 8,142,248.40 and 4,966,271.20 is: 7,449,406.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,428,165.60 : 8,142,248.40 = 4,966,271.20 : x
  2. Step 2: Convert to fraction form
    5,428,165.60/8,142,248.40 = 4,966,271.20/x
  3. Step 3: Cross multiply
    5,428,165.60x = 8,142,248.40 × 4,966,271.20
  4. Step 4: Simplify right side
    5,428,165.60x = 40,436,613,732,166.09
  5. Step 5: Solve for x
    x = 40,436,613,732,166.09/5,428,165.60
  6. Step 6: Final answer
    x = 7,449,406.80

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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.