Home / 7,065,962.60-10,598,943.90-6,640,809.80

Finding the Fourth Proportional to 7,065,962.60, 10,598,943.90 and 6,640,809.80

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Solution

The fourth proportional to 7,065,962.60, 10,598,943.90 and 6,640,809.80 is: 9,961,214.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,065,962.60 : 10,598,943.90 = 6,640,809.80 : x
  2. Step 2: Convert to fraction form
    7,065,962.60/10,598,943.90 = 6,640,809.80/x
  3. Step 3: Cross multiply
    7,065,962.60x = 10,598,943.90 × 6,640,809.80
  4. Step 4: Simplify right side
    7,065,962.60x = 70,385,570,520,770.22
  5. Step 5: Solve for x
    x = 70,385,570,520,770.22/7,065,962.60
  6. Step 6: Final answer
    x = 9,961,214.70

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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.