Home / 39,423,119.49-54,403,331.81-22,019,712.21

Finding the Fourth Proportional to 39,423,119.49, 54,403,331.81 and 22,019,712.21

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Solution

The fourth proportional to 39,423,119.49, 54,403,331.81 and 22,019,712.21 is: 30,386,882.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,423,119.49 : 54,403,331.81 = 22,019,712.21 : x
  2. Step 2: Convert to fraction form
    39,423,119.49/54,403,331.81 = 22,019,712.21/x
  3. Step 3: Cross multiply
    39,423,119.49x = 54,403,331.81 × 22,019,712.21
  4. Step 4: Simplify right side
    39,423,119.49x = 1,197,945,709,611,240
  5. Step 5: Solve for x
    x = 1,197,945,709,611,240/39,423,119.49
  6. Step 6: Final answer
    x = 30,386,882.75

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Double scale
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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.