Home / 14,156,021.28-19,535,074.88-7,876,313.20

Finding the Fourth Proportional to 14,156,021.28, 19,535,074.88 and 7,876,313.20

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Solution

The fourth proportional to 14,156,021.28, 19,535,074.88 and 7,876,313.20 is: 10,869,181.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,156,021.28 : 19,535,074.88 = 7,876,313.20 : x
  2. Step 2: Convert to fraction form
    14,156,021.28/19,535,074.88 = 7,876,313.20/x
  3. Step 3: Cross multiply
    14,156,021.28x = 19,535,074.88 × 7,876,313.20
  4. Step 4: Simplify right side
    14,156,021.28x = 153,864,368,140,332.41
  5. Step 5: Solve for x
    x = 153,864,368,140,332.41/14,156,021.28
  6. Step 6: Final answer
    x = 10,869,181.75

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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.