Home / 7,142,342-9,850,731.40-4,697,463.64

Finding the Fourth Proportional to 7,142,342, 9,850,731.40 and 4,697,463.64

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Solution

The fourth proportional to 7,142,342, 9,850,731.40 and 4,697,463.64 is: 6,478,750.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,142,342 : 9,850,731.40 = 4,697,463.64 : x
  2. Step 2: Convert to fraction form
    7,142,342/9,850,731.40 = 4,697,463.64/x
  3. Step 3: Cross multiply
    7,142,342x = 9,850,731.40 × 4,697,463.64
  4. Step 4: Simplify right side
    7,142,342x = 46,273,452,578,906.30
  5. Step 5: Solve for x
    x = 46,273,452,578,906.30/7,142,342
  6. Step 6: Final answer
    x = 6,478,750.61

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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.