Home / 10,866,954.66-16,300,990.14-2,780,000.10

Finding the Fourth Proportional to 10,866,954.66, 16,300,990.14 and 2,780,000.10

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Solution

The fourth proportional to 10,866,954.66, 16,300,990.14 and 2,780,000.10 is: 4,170,142.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,866,954.66 : 16,300,990.14 = 2,780,000.10 : x
  2. Step 2: Convert to fraction form
    10,866,954.66/16,300,990.14 = 2,780,000.10/x
  3. Step 3: Cross multiply
    10,866,954.66x = 16,300,990.14 × 2,780,000.10
  4. Step 4: Simplify right side
    10,866,954.66x = 45,316,754,219,299.02
  5. Step 5: Solve for x
    x = 45,316,754,219,299.02/10,866,954.66
  6. Step 6: Final answer
    x = 4,170,142.94

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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.