Home / 12,807,793.28-17,674,894.20-7,006,450.46

Finding the Fourth Proportional to 12,807,793.28, 17,674,894.20 and 7,006,450.46

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Solution

The fourth proportional to 12,807,793.28, 17,674,894.20 and 7,006,450.46 is: 9,668,977.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,807,793.28 : 17,674,894.20 = 7,006,450.46 : x
  2. Step 2: Convert to fraction form
    12,807,793.28/17,674,894.20 = 7,006,450.46/x
  3. Step 3: Cross multiply
    12,807,793.28x = 17,674,894.20 × 7,006,450.46
  4. Step 4: Simplify right side
    12,807,793.28x = 123,838,270,598,041.33
  5. Step 5: Solve for x
    x = 123,838,270,598,041.33/12,807,793.28
  6. Step 6: Final answer
    x = 9,668,977.93

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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.