Home / 7,218,820.08-9,961,840.08-4,280,613.84

Finding the Fourth Proportional to 7,218,820.08, 9,961,840.08 and 4,280,613.84

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Solution

The fourth proportional to 7,218,820.08, 9,961,840.08 and 4,280,613.84 is: 5,907,169.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,218,820.08 : 9,961,840.08 = 4,280,613.84 : x
  2. Step 2: Convert to fraction form
    7,218,820.08/9,961,840.08 = 4,280,613.84/x
  3. Step 3: Cross multiply
    7,218,820.08x = 9,961,840.08 × 4,280,613.84
  4. Step 4: Simplify right side
    7,218,820.08x = 42,642,790,518,314.70
  5. Step 5: Solve for x
    x = 42,642,790,518,314.70/7,218,820.08
  6. Step 6: Final answer
    x = 5,907,169.05

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.