Home / 6,680,920.60-10,021,380.90-4,980,309.40

Finding the Fourth Proportional to 6,680,920.60, 10,021,380.90 and 4,980,309.40

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Solution

The fourth proportional to 6,680,920.60, 10,021,380.90 and 4,980,309.40 is: 7,470,464.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,680,920.60 : 10,021,380.90 = 4,980,309.40 : x
  2. Step 2: Convert to fraction form
    6,680,920.60/10,021,380.90 = 4,980,309.40/x
  3. Step 3: Cross multiply
    6,680,920.60x = 10,021,380.90 × 4,980,309.40
  4. Step 4: Simplify right side
    6,680,920.60x = 49,909,577,497,250.47
  5. Step 5: Solve for x
    x = 49,909,577,497,250.47/6,680,920.60
  6. Step 6: Final answer
    x = 7,470,464.10

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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.