Home / 20,592,148.80-30,888,223.20-5,239,408.80

Finding the Fourth Proportional to 20,592,148.80, 30,888,223.20 and 5,239,408.80

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Solution

The fourth proportional to 20,592,148.80, 30,888,223.20 and 5,239,408.80 is: 7,859,113.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,592,148.80 : 30,888,223.20 = 5,239,408.80 : x
  2. Step 2: Convert to fraction form
    20,592,148.80/30,888,223.20 = 5,239,408.80/x
  3. Step 3: Cross multiply
    20,592,148.80x = 30,888,223.20 × 5,239,408.80
  4. Step 4: Simplify right side
    20,592,148.80x = 161,836,028,450,444.16
  5. Step 5: Solve for x
    x = 161,836,028,450,444.16/20,592,148.80
  6. Step 6: Final answer
    x = 7,859,113.20

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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.