Home / 22,020,551.79-30,399,406.56-13,765,206.21

Finding the Fourth Proportional to 22,020,551.79, 30,399,406.56 and 13,765,206.21

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Solution

The fourth proportional to 22,020,551.79, 30,399,406.56 and 13,765,206.21 is: 19,002,888.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,020,551.79 : 30,399,406.56 = 13,765,206.21 : x
  2. Step 2: Convert to fraction form
    22,020,551.79/30,399,406.56 = 13,765,206.21/x
  3. Step 3: Cross multiply
    22,020,551.79x = 30,399,406.56 × 13,765,206.21
  4. Step 4: Simplify right side
    22,020,551.79x = 418,454,099,960,026.75
  5. Step 5: Solve for x
    x = 418,454,099,960,026.75/22,020,551.79
  6. Step 6: Final answer
    x = 19,002,888.94

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.