Home / 6,912,000.95-10,368,001.43-6,520,090.55

Finding the Fourth Proportional to 6,912,000.95, 10,368,001.43 and 6,520,090.55

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Solution

The fourth proportional to 6,912,000.95, 10,368,001.43 and 6,520,090.55 is: 9,780,135.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,912,000.95 : 10,368,001.43 = 6,520,090.55 : x
  2. Step 2: Convert to fraction form
    6,912,000.95/10,368,001.43 = 6,520,090.55/x
  3. Step 3: Cross multiply
    6,912,000.95x = 10,368,001.43 × 6,520,090.55
  4. Step 4: Simplify right side
    6,912,000.95x = 67,600,308,146,129.48
  5. Step 5: Solve for x
    x = 67,600,308,146,129.48/6,912,000.95
  6. Step 6: Final answer
    x = 9,780,135.83

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1.5x scale

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.