Home / 10,897,000.78-15,037,861.02-6,315,979.36

Finding the Fourth Proportional to 10,897,000.78, 15,037,861.02 and 6,315,979.36

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Solution

The fourth proportional to 10,897,000.78, 15,037,861.02 and 6,315,979.36 is: 8,716,051.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,897,000.78 : 15,037,861.02 = 6,315,979.36 : x
  2. Step 2: Convert to fraction form
    10,897,000.78/15,037,861.02 = 6,315,979.36/x
  3. Step 3: Cross multiply
    10,897,000.78x = 15,037,861.02 × 6,315,979.36
  4. Step 4: Simplify right side
    10,897,000.78x = 94,978,819,820,868.55
  5. Step 5: Solve for x
    x = 94,978,819,820,868.55/10,897,000.78
  6. Step 6: Final answer
    x = 8,716,051.48

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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.