Home / 21,854,578.28-30,158,528.03-12,064,812.68

Finding the Fourth Proportional to 21,854,578.28, 30,158,528.03 and 12,064,812.68

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Solution

The fourth proportional to 21,854,578.28, 30,158,528.03 and 12,064,812.68 is: 16,649,005.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,854,578.28 : 30,158,528.03 = 12,064,812.68 : x
  2. Step 2: Convert to fraction form
    21,854,578.28/30,158,528.03 = 12,064,812.68/x
  3. Step 3: Cross multiply
    21,854,578.28x = 30,158,528.03 × 12,064,812.68
  4. Step 4: Simplify right side
    21,854,578.28x = 363,856,991,386,479.44
  5. Step 5: Solve for x
    x = 363,856,991,386,479.44/21,854,578.28
  6. Step 6: Final answer
    x = 16,649,005.38

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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.