Home / 18,649,909.74-25,736,484.78-10,389,960.66

Finding the Fourth Proportional to 18,649,909.74, 25,736,484.78 and 10,389,960.66

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Solution

The fourth proportional to 18,649,909.74, 25,736,484.78 and 10,389,960.66 is: 14,337,928.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,649,909.74 : 25,736,484.78 = 10,389,960.66 : x
  2. Step 2: Convert to fraction form
    18,649,909.74/25,736,484.78 = 10,389,960.66/x
  3. Step 3: Cross multiply
    18,649,909.74x = 25,736,484.78 × 10,389,960.66
  4. Step 4: Simplify right side
    18,649,909.74x = 267,401,064,390,888.78
  5. Step 5: Solve for x
    x = 267,401,064,390,888.78/18,649,909.74
  6. Step 6: Final answer
    x = 14,337,928.07

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.