Home / 13,891,423.59-20,738,032.38-12,968,270.90

Finding the Fourth Proportional to 13,891,423.59, 20,738,032.38 and 12,968,270.90

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Solution

The fourth proportional to 13,891,423.59, 20,738,032.38 and 12,968,270.90 is: 19,359,889.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,891,423.59 : 20,738,032.38 = 12,968,270.90 : x
  2. Step 2: Convert to fraction form
    13,891,423.59/20,738,032.38 = 12,968,270.90/x
  3. Step 3: Cross multiply
    13,891,423.59x = 20,738,032.38 × 12,968,270.90
  4. Step 4: Simplify right side
    13,891,423.59x = 268,936,421,829,113.25
  5. Step 5: Solve for x
    x = 268,936,421,829,113.25/13,891,423.59
  6. Step 6: Final answer
    x = 19,359,889.22

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Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.