Home / 12,939,096.13-19,401,361.38-4,298,570.78

Finding the Fourth Proportional to 12,939,096.13, 19,401,361.38 and 4,298,570.78

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Solution

The fourth proportional to 12,939,096.13, 19,401,361.38 and 4,298,570.78 is: 6,445,436.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,939,096.13 : 19,401,361.38 = 4,298,570.78 : x
  2. Step 2: Convert to fraction form
    12,939,096.13/19,401,361.38 = 4,298,570.78/x
  3. Step 3: Cross multiply
    12,939,096.13x = 19,401,361.38 × 4,298,570.78
  4. Step 4: Simplify right side
    12,939,096.13x = 83,398,125,023,281.67
  5. Step 5: Solve for x
    x = 83,398,125,023,281.67/12,939,096.13
  6. Step 6: Final answer
    x = 6,445,436.70

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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.