Home / 21,513,537.80-32,257,865.10-8,051,726.60

Finding the Fourth Proportional to 21,513,537.80, 32,257,865.10 and 8,051,726.60

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Solution

The fourth proportional to 21,513,537.80, 32,257,865.10 and 8,051,726.60 is: 12,072,933.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,513,537.80 : 32,257,865.10 = 8,051,726.60 : x
  2. Step 2: Convert to fraction form
    21,513,537.80/32,257,865.10 = 8,051,726.60/x
  3. Step 3: Cross multiply
    21,513,537.80x = 32,257,865.10 × 8,051,726.60
  4. Step 4: Simplify right side
    21,513,537.80x = 259,731,510,484,881.66
  5. Step 5: Solve for x
    x = 259,731,510,484,881.66/21,513,537.80
  6. Step 6: Final answer
    x = 12,072,933.47

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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.