Home / 21,854,415.95-30,158,301.84-12,064,649.43

Finding the Fourth Proportional to 21,854,415.95, 30,158,301.84 and 12,064,649.43

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Solution

The fourth proportional to 21,854,415.95, 30,158,301.84 and 12,064,649.43 is: 16,648,778.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,854,415.95 : 30,158,301.84 = 12,064,649.43 : x
  2. Step 2: Convert to fraction form
    21,854,415.95/30,158,301.84 = 12,064,649.43/x
  3. Step 3: Cross multiply
    21,854,415.95x = 30,158,301.84 × 12,064,649.43
  4. Step 4: Simplify right side
    21,854,415.95x = 363,849,339,103,723.94
  5. Step 5: Solve for x
    x = 363,849,339,103,723.94/21,854,415.95
  6. Step 6: Final answer
    x = 16,648,778.90

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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.