Home / 21,781,213.80-32,671,820.70-15,734,596.20

Finding the Fourth Proportional to 21,781,213.80, 32,671,820.70 and 15,734,596.20

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Solution

The fourth proportional to 21,781,213.80, 32,671,820.70 and 15,734,596.20 is: 23,601,894.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,781,213.80 : 32,671,820.70 = 15,734,596.20 : x
  2. Step 2: Convert to fraction form
    21,781,213.80/32,671,820.70 = 15,734,596.20/x
  3. Step 3: Cross multiply
    21,781,213.80x = 32,671,820.70 × 15,734,596.20
  4. Step 4: Simplify right side
    21,781,213.80x = 514,077,905,833,301.31
  5. Step 5: Solve for x
    x = 514,077,905,833,301.31/21,781,213.80
  6. Step 6: Final answer
    x = 23,601,894.30

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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.