Home / 7,391,878.04-10,200,684.18-4,128,739.18

Finding the Fourth Proportional to 7,391,878.04, 10,200,684.18 and 4,128,739.18

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Solution

The fourth proportional to 7,391,878.04, 10,200,684.18 and 4,128,739.18 is: 5,697,600.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,391,878.04 : 10,200,684.18 = 4,128,739.18 : x
  2. Step 2: Convert to fraction form
    7,391,878.04/10,200,684.18 = 4,128,739.18/x
  3. Step 3: Cross multiply
    7,391,878.04x = 10,200,684.18 × 4,128,739.18
  4. Step 4: Simplify right side
    7,391,878.04x = 42,115,964,436,772.17
  5. Step 5: Solve for x
    x = 42,115,964,436,772.17/7,391,878.04
  6. Step 6: Final answer
    x = 5,697,600.02

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1.5x scale

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.