Home / 8,275,851.70-12,385,783.95-7,268,082.10

Finding the Fourth Proportional to 8,275,851.70, 12,385,783.95 and 7,268,082.10

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Solution

The fourth proportional to 8,275,851.70, 12,385,783.95 and 7,268,082.10 is: 10,877,538.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,275,851.70 : 12,385,783.95 = 7,268,082.10 : x
  2. Step 2: Convert to fraction form
    8,275,851.70/12,385,783.95 = 7,268,082.10/x
  3. Step 3: Cross multiply
    8,275,851.70x = 12,385,783.95 × 7,268,082.10
  4. Step 4: Simplify right side
    8,275,851.70x = 90,020,894,621,462.28
  5. Step 5: Solve for x
    x = 90,020,894,621,462.28/8,275,851.70
  6. Step 6: Final answer
    x = 10,877,538.40

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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.