Home / 21,513,672.80-32,270,509.20-5,557,320.80

Finding the Fourth Proportional to 21,513,672.80, 32,270,509.20 and 5,557,320.80

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Solution

The fourth proportional to 21,513,672.80, 32,270,509.20 and 5,557,320.80 is: 8,335,981.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,513,672.80 : 32,270,509.20 = 5,557,320.80 : x
  2. Step 2: Convert to fraction form
    21,513,672.80/32,270,509.20 = 5,557,320.80/x
  3. Step 3: Cross multiply
    21,513,672.80x = 32,270,509.20 × 5,557,320.80
  4. Step 4: Simplify right side
    21,513,672.80x = 179,337,572,003,751.34
  5. Step 5: Solve for x
    x = 179,337,572,003,751.34/21,513,672.80
  6. Step 6: Final answer
    x = 8,335,981.20

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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.