Home / 22,015,931.70-33,023,897.55-21,134,133.30

Finding the Fourth Proportional to 22,015,931.70, 33,023,897.55 and 21,134,133.30

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Solution

The fourth proportional to 22,015,931.70, 33,023,897.55 and 21,134,133.30 is: 31,701,199.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,015,931.70 : 33,023,897.55 = 21,134,133.30 : x
  2. Step 2: Convert to fraction form
    22,015,931.70/33,023,897.55 = 21,134,133.30/x
  3. Step 3: Cross multiply
    22,015,931.70x = 33,023,897.55 × 21,134,133.30
  4. Step 4: Simplify right side
    22,015,931.70x = 697,931,452,907,243.50
  5. Step 5: Solve for x
    x = 697,931,452,907,243.50/22,015,931.70
  6. Step 6: Final answer
    x = 31,701,199.95

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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.