Home / 21,684,055.20-32,563,407.60-15,338,839.20

Finding the Fourth Proportional to 21,684,055.20, 32,563,407.60 and 15,338,839.20

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Solution

The fourth proportional to 21,684,055.20, 32,563,407.60 and 15,338,839.20 is: 23,034,661.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,684,055.20 : 32,563,407.60 = 15,338,839.20 : x
  2. Step 2: Convert to fraction form
    21,684,055.20/32,563,407.60 = 15,338,839.20/x
  3. Step 3: Cross multiply
    21,684,055.20x = 32,563,407.60 × 15,338,839.20
  4. Step 4: Simplify right side
    21,684,055.20x = 499,484,872,980,457.94
  5. Step 5: Solve for x
    x = 499,484,872,980,457.94/21,684,055.20
  6. Step 6: Final answer
    x = 23,034,661.57

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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.