Home / 5,518,809.40-8,278,214.10-4,909,948.60

Finding the Fourth Proportional to 5,518,809.40, 8,278,214.10 and 4,909,948.60

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Solution

The fourth proportional to 5,518,809.40, 8,278,214.10 and 4,909,948.60 is: 7,364,922.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,518,809.40 : 8,278,214.10 = 4,909,948.60 : x
  2. Step 2: Convert to fraction form
    5,518,809.40/8,278,214.10 = 4,909,948.60/x
  3. Step 3: Cross multiply
    5,518,809.40x = 8,278,214.10 × 4,909,948.60
  4. Step 4: Simplify right side
    5,518,809.40x = 40,645,605,730,795.26
  5. Step 5: Solve for x
    x = 40,645,605,730,795.26/5,518,809.40
  6. Step 6: Final answer
    x = 7,364,922.90

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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.