Home / 21,989,838.20-32,997,620.10-9,209,269.40

Finding the Fourth Proportional to 21,989,838.20, 32,997,620.10 and 9,209,269.40

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Solution

The fourth proportional to 21,989,838.20, 32,997,620.10 and 9,209,269.40 is: 13,819,291.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,989,838.20 : 32,997,620.10 = 9,209,269.40 : x
  2. Step 2: Convert to fraction form
    21,989,838.20/32,997,620.10 = 9,209,269.40/x
  3. Step 3: Cross multiply
    21,989,838.20x = 32,997,620.10 × 9,209,269.40
  4. Step 4: Simplify right side
    21,989,838.20x = 303,883,973,059,754.94
  5. Step 5: Solve for x
    x = 303,883,973,059,754.94/21,989,838.20
  6. Step 6: Final answer
    x = 13,819,291.00

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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.