Home / 22,335,428.63-30,823,639.96-12,412,729.46

Finding the Fourth Proportional to 22,335,428.63, 30,823,639.96 and 12,412,729.46

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Solution

The fourth proportional to 22,335,428.63, 30,823,639.96 and 12,412,729.46 is: 17,129,982.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,335,428.63 : 30,823,639.96 = 12,412,729.46 : x
  2. Step 2: Convert to fraction form
    22,335,428.63/30,823,639.96 = 12,412,729.46/x
  3. Step 3: Cross multiply
    22,335,428.63x = 30,823,639.96 × 12,412,729.46
  4. Step 4: Simplify right side
    22,335,428.63x = 382,605,503,838,895.38
  5. Step 5: Solve for x
    x = 382,605,503,838,895.38/22,335,428.63
  6. Step 6: Final answer
    x = 17,129,982.60

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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.