Home / 22,143,485.90-33,215,228.85-20,124,010.10

Finding the Fourth Proportional to 22,143,485.90, 33,215,228.85 and 20,124,010.10

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Solution

The fourth proportional to 22,143,485.90, 33,215,228.85 and 20,124,010.10 is: 30,186,015.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,143,485.90 : 33,215,228.85 = 20,124,010.10 : x
  2. Step 2: Convert to fraction form
    22,143,485.90/33,215,228.85 = 20,124,010.10/x
  3. Step 3: Cross multiply
    22,143,485.90x = 33,215,228.85 × 20,124,010.10
  4. Step 4: Simplify right side
    22,143,485.90x = 668,423,600,851,211.50
  5. Step 5: Solve for x
    x = 668,423,600,851,211.50/22,143,485.90
  6. Step 6: Final answer
    x = 30,186,015.15

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.