Home / 21,887,999.80-32,831,999.70-14,721,638.20

Finding the Fourth Proportional to 21,887,999.80, 32,831,999.70 and 14,721,638.20

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Solution

The fourth proportional to 21,887,999.80, 32,831,999.70 and 14,721,638.20 is: 22,082,457.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,887,999.80 : 32,831,999.70 = 14,721,638.20 : x
  2. Step 2: Convert to fraction form
    21,887,999.80/32,831,999.70 = 14,721,638.20/x
  3. Step 3: Cross multiply
    21,887,999.80x = 32,831,999.70 × 14,721,638.20
  4. Step 4: Simplify right side
    21,887,999.80x = 483,340,820,965,908.50
  5. Step 5: Solve for x
    x = 483,340,820,965,908.50/21,887,999.80
  6. Step 6: Final answer
    x = 22,082,457.30

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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.