Home / 13,480,201.45-20,220,302.18-10,291,555.45

Finding the Fourth Proportional to 13,480,201.45, 20,220,302.18 and 10,291,555.45

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Solution

The fourth proportional to 13,480,201.45, 20,220,302.18 and 10,291,555.45 is: 15,437,333.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,480,201.45 : 20,220,302.18 = 10,291,555.45 : x
  2. Step 2: Convert to fraction form
    13,480,201.45/20,220,302.18 = 10,291,555.45/x
  3. Step 3: Cross multiply
    13,480,201.45x = 20,220,302.18 × 10,291,555.45
  4. Step 4: Simplify right side
    13,480,201.45x = 208,098,361,101,225.88
  5. Step 5: Solve for x
    x = 208,098,361,101,225.88/13,480,201.45
  6. Step 6: Final answer
    x = 15,437,333.18

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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.