Home / 21,985,243.20-32,977,864.80-9,841,816.35

Finding the Fourth Proportional to 21,985,243.20, 32,977,864.80 and 9,841,816.35

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Solution

The fourth proportional to 21,985,243.20, 32,977,864.80 and 9,841,816.35 is: 14,762,724.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,985,243.20 : 32,977,864.80 = 9,841,816.35 : x
  2. Step 2: Convert to fraction form
    21,985,243.20/32,977,864.80 = 9,841,816.35/x
  3. Step 3: Cross multiply
    21,985,243.20x = 32,977,864.80 × 9,841,816.35
  4. Step 4: Simplify right side
    21,985,243.20x = 324,562,088,976,729.50
  5. Step 5: Solve for x
    x = 324,562,088,976,729.50/21,985,243.20
  6. Step 6: Final answer
    x = 14,762,724.53

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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.