Home / 14,834,878.71-20,471,861.66-8,219,443.04

Finding the Fourth Proportional to 14,834,878.71, 20,471,861.66 and 8,219,443.04

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Solution

The fourth proportional to 14,834,878.71, 20,471,861.66 and 8,219,443.04 is: 11,342,681.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,834,878.71 : 20,471,861.66 = 8,219,443.04 : x
  2. Step 2: Convert to fraction form
    14,834,878.71/20,471,861.66 = 8,219,443.04/x
  3. Step 3: Cross multiply
    14,834,878.71x = 20,471,861.66 × 8,219,443.04
  4. Step 4: Simplify right side
    14,834,878.71x = 168,267,300,837,129.84
  5. Step 5: Solve for x
    x = 168,267,300,837,129.84/14,834,878.71
  6. Step 6: Final answer
    x = 11,342,681.27

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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.