Home / 21,510,474.12-29,650,840.92-14,622,998.76

Finding the Fourth Proportional to 21,510,474.12, 29,650,840.92 and 14,622,998.76

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Solution

The fourth proportional to 21,510,474.12, 29,650,840.92 and 14,622,998.76 is: 20,156,887.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,510,474.12 : 29,650,840.92 = 14,622,998.76 : x
  2. Step 2: Convert to fraction form
    21,510,474.12/29,650,840.92 = 14,622,998.76/x
  3. Step 3: Cross multiply
    21,510,474.12x = 29,650,840.92 × 14,622,998.76
  4. Step 4: Simplify right side
    21,510,474.12x = 433,584,210,006,117.25
  5. Step 5: Solve for x
    x = 433,584,210,006,117.25/21,510,474.12
  6. Step 6: Final answer
    x = 20,156,887.64

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1.5x scale

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.