Home / 22,116,024.04-30,513,349.75-12,821,738.97

Finding the Fourth Proportional to 22,116,024.04, 30,513,349.75 and 12,821,738.97

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Solution

The fourth proportional to 22,116,024.04, 30,513,349.75 and 12,821,738.97 is: 17,690,078.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,116,024.04 : 30,513,349.75 = 12,821,738.97 : x
  2. Step 2: Convert to fraction form
    22,116,024.04/30,513,349.75 = 12,821,738.97/x
  3. Step 3: Cross multiply
    22,116,024.04x = 30,513,349.75 × 12,821,738.97
  4. Step 4: Simplify right side
    22,116,024.04x = 391,234,205,717,207.62
  5. Step 5: Solve for x
    x = 391,234,205,717,207.62/22,116,024.04
  6. Step 6: Final answer
    x = 17,690,078.70

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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.