Home / 7,152,023.95-9,869,724.21-3,888,839.89

Finding the Fourth Proportional to 7,152,023.95, 9,869,724.21 and 3,888,839.89

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Solution

The fourth proportional to 7,152,023.95, 9,869,724.21 and 3,888,839.89 is: 5,366,561.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,152,023.95 : 9,869,724.21 = 3,888,839.89 : x
  2. Step 2: Convert to fraction form
    7,152,023.95/9,869,724.21 = 3,888,839.89/x
  3. Step 3: Cross multiply
    7,152,023.95x = 9,869,724.21 × 3,888,839.89
  4. Step 4: Simplify right side
    7,152,023.95x = 38,381,777,211,146.74
  5. Step 5: Solve for x
    x = 38,381,777,211,146.74/7,152,023.95
  6. Step 6: Final answer
    x = 5,366,561.62

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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.