Home / 7,414,809.60-11,122,214.40-3,155,116.80

Finding the Fourth Proportional to 7,414,809.60, 11,122,214.40 and 3,155,116.80

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Solution

The fourth proportional to 7,414,809.60, 11,122,214.40 and 3,155,116.80 is: 4,732,675.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,414,809.60 : 11,122,214.40 = 3,155,116.80 : x
  2. Step 2: Convert to fraction form
    7,414,809.60/11,122,214.40 = 3,155,116.80/x
  3. Step 3: Cross multiply
    7,414,809.60x = 11,122,214.40 × 3,155,116.80
  4. Step 4: Simplify right side
    7,414,809.60x = 35,091,885,506,641.92
  5. Step 5: Solve for x
    x = 35,091,885,506,641.92/7,414,809.60
  6. Step 6: Final answer
    x = 4,732,675.20

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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.