Home / 19,172,461.50-28,759,282.74-8,384,209.20

Finding the Fourth Proportional to 19,172,461.50, 28,759,282.74 and 8,384,209.20

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Solution

The fourth proportional to 19,172,461.50, 28,759,282.74 and 8,384,209.20 is: 12,576,572.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,172,461.50 : 28,759,282.74 = 8,384,209.20 : x
  2. Step 2: Convert to fraction form
    19,172,461.50/28,759,282.74 = 8,384,209.20/x
  3. Step 3: Cross multiply
    19,172,461.50x = 28,759,282.74 × 8,384,209.20
  4. Step 4: Simplify right side
    19,172,461.50x = 241,123,842,934,109.19
  5. Step 5: Solve for x
    x = 241,123,842,934,109.19/19,172,461.50
  6. Step 6: Final answer
    x = 12,576,572.02

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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.