Home / 12,316,031.40-18,424,280.70-10,651,621.80

Finding the Fourth Proportional to 12,316,031.40, 18,424,280.70 and 10,651,621.80

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Solution

The fourth proportional to 12,316,031.40, 18,424,280.70 and 10,651,621.80 is: 15,934,391.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,316,031.40 : 18,424,280.70 = 10,651,621.80 : x
  2. Step 2: Convert to fraction form
    12,316,031.40/18,424,280.70 = 10,651,621.80/x
  3. Step 3: Cross multiply
    12,316,031.40x = 18,424,280.70 × 10,651,621.80
  4. Step 4: Simplify right side
    12,316,031.40x = 196,248,469,953,439.28
  5. Step 5: Solve for x
    x = 196,248,469,953,439.28/12,316,031.40
  6. Step 6: Final answer
    x = 15,934,391.82

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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.