Home / 7,860,921.12-10,847,945.52-4,423,160.16

Finding the Fourth Proportional to 7,860,921.12, 10,847,945.52 and 4,423,160.16

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Solution

The fourth proportional to 7,860,921.12, 10,847,945.52 and 4,423,160.16 is: 6,103,890.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,860,921.12 : 10,847,945.52 = 4,423,160.16 : x
  2. Step 2: Convert to fraction form
    7,860,921.12/10,847,945.52 = 4,423,160.16/x
  3. Step 3: Cross multiply
    7,860,921.12x = 10,847,945.52 × 4,423,160.16
  4. Step 4: Simplify right side
    7,860,921.12x = 47,982,200,441,914.48
  5. Step 5: Solve for x
    x = 47,982,200,441,914.48/7,860,921.12
  6. Step 6: Final answer
    x = 6,103,890.33

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Double scale
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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.