Home / 21,990,352.20-32,998,391.10-9,209,783.40

Finding the Fourth Proportional to 21,990,352.20, 32,998,391.10 and 9,209,783.40

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Solution

The fourth proportional to 21,990,352.20, 32,998,391.10 and 9,209,783.40 is: 13,820,062.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,990,352.20 : 32,998,391.10 = 9,209,783.40 : x
  2. Step 2: Convert to fraction form
    21,990,352.20/32,998,391.10 = 9,209,783.40/x
  3. Step 3: Cross multiply
    21,990,352.20x = 32,998,391.10 × 9,209,783.40
  4. Step 4: Simplify right side
    21,990,352.20x = 303,908,034,579,487.75
  5. Step 5: Solve for x
    x = 303,908,034,579,487.75/21,990,352.20
  6. Step 6: Final answer
    x = 13,820,062.17

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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.