Home / 22,112,363.04-30,513,720.44-12,188,811.76

Finding the Fourth Proportional to 22,112,363.04, 30,513,720.44 and 12,188,811.76

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Solution

The fourth proportional to 22,112,363.04, 30,513,720.44 and 12,188,811.76 is: 16,819,821.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,112,363.04 : 30,513,720.44 = 12,188,811.76 : x
  2. Step 2: Convert to fraction form
    22,112,363.04/30,513,720.44 = 12,188,811.76/x
  3. Step 3: Cross multiply
    22,112,363.04x = 30,513,720.44 × 12,188,811.76
  4. Step 4: Simplify right side
    22,112,363.04x = 371,925,994,540,424.38
  5. Step 5: Solve for x
    x = 371,925,994,540,424.38/22,112,363.04
  6. Step 6: Final answer
    x = 16,819,821.29

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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.