Home / 7,764,987.18-10,715,692.59-4,327,152.78

Finding the Fourth Proportional to 7,764,987.18, 10,715,692.59 and 4,327,152.78

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Solution

The fourth proportional to 7,764,987.18, 10,715,692.59 and 4,327,152.78 is: 5,971,476.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,764,987.18 : 10,715,692.59 = 4,327,152.78 : x
  2. Step 2: Convert to fraction form
    7,764,987.18/10,715,692.59 = 4,327,152.78/x
  3. Step 3: Cross multiply
    7,764,987.18x = 10,715,692.59 × 4,327,152.78
  4. Step 4: Simplify right side
    7,764,987.18x = 46,368,438,980,443.91
  5. Step 5: Solve for x
    x = 46,368,438,980,443.91/7,764,987.18
  6. Step 6: Final answer
    x = 5,971,476.57

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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.