Home / 15,409,210.80-23,113,816.20-7,850,938.80

Finding the Fourth Proportional to 15,409,210.80, 23,113,816.20 and 7,850,938.80

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Solution

The fourth proportional to 15,409,210.80, 23,113,816.20 and 7,850,938.80 is: 11,776,408.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,409,210.80 : 23,113,816.20 = 7,850,938.80 : x
  2. Step 2: Convert to fraction form
    15,409,210.80/23,113,816.20 = 7,850,938.80/x
  3. Step 3: Cross multiply
    15,409,210.80x = 23,113,816.20 × 7,850,938.80
  4. Step 4: Simplify right side
    15,409,210.80x = 181,465,156,420,648.56
  5. Step 5: Solve for x
    x = 181,465,156,420,648.56/15,409,210.80
  6. Step 6: Final answer
    x = 11,776,408.20

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Similar ratio
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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.