Home / 10,788,692.28-16,157,186.06-7,862,943.53

Finding the Fourth Proportional to 10,788,692.28, 16,157,186.06 and 7,862,943.53

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Solution

The fourth proportional to 10,788,692.28, 16,157,186.06 and 7,862,943.53 is: 11,775,573.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,788,692.28 : 16,157,186.06 = 7,862,943.53 : x
  2. Step 2: Convert to fraction form
    10,788,692.28/16,157,186.06 = 7,862,943.53/x
  3. Step 3: Cross multiply
    10,788,692.28x = 16,157,186.06 × 7,862,943.53
  4. Step 4: Simplify right side
    10,788,692.28x = 127,043,041,473,382.55
  5. Step 5: Solve for x
    x = 127,043,041,473,382.55/10,788,692.28
  6. Step 6: Final answer
    x = 11,775,573.74

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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.