Home / 22,128,581.76-30,537,819.10-12,206,603.40

Finding the Fourth Proportional to 22,128,581.76, 30,537,819.10 and 12,206,603.40

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Solution

The fourth proportional to 22,128,581.76, 30,537,819.10 and 12,206,603.40 is: 16,845,320.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,128,581.76 : 30,537,819.10 = 12,206,603.40 : x
  2. Step 2: Convert to fraction form
    22,128,581.76/30,537,819.10 = 12,206,603.40/x
  3. Step 3: Cross multiply
    22,128,581.76x = 30,537,819.10 × 12,206,603.40
  4. Step 4: Simplify right side
    22,128,581.76x = 372,763,046,454,645
  5. Step 5: Solve for x
    x = 372,763,046,454,645/22,128,581.76
  6. Step 6: Final answer
    x = 16,845,320.25

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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.