Home / 22,015,965.40-33,023,948.10-13,406,621.20

Finding the Fourth Proportional to 22,015,965.40, 33,023,948.10 and 13,406,621.20

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Solution

The fourth proportional to 22,015,965.40, 33,023,948.10 and 13,406,621.20 is: 20,109,931.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,015,965.40 : 33,023,948.10 = 13,406,621.20 : x
  2. Step 2: Convert to fraction form
    22,015,965.40/33,023,948.10 = 13,406,621.20/x
  3. Step 3: Cross multiply
    22,015,965.40x = 33,023,948.10 × 13,406,621.20
  4. Step 4: Simplify right side
    22,015,965.40x = 442,739,562,705,159.69
  5. Step 5: Solve for x
    x = 442,739,562,705,159.69/22,015,965.40
  6. Step 6: Final answer
    x = 20,109,931.80

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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.