Home / 12,868,175.20-19,317,008.40-7,552,386.40

Finding the Fourth Proportional to 12,868,175.20, 19,317,008.40 and 7,552,386.40

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Solution

The fourth proportional to 12,868,175.20, 19,317,008.40 and 7,552,386.40 is: 11,337,233.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,868,175.20 : 19,317,008.40 = 7,552,386.40 : x
  2. Step 2: Convert to fraction form
    12,868,175.20/19,317,008.40 = 7,552,386.40/x
  3. Step 3: Cross multiply
    12,868,175.20x = 19,317,008.40 × 7,552,386.40
  4. Step 4: Simplify right side
    12,868,175.20x = 145,889,511,528,845.75
  5. Step 5: Solve for x
    x = 145,889,511,528,845.75/12,868,175.20
  6. Step 6: Final answer
    x = 11,337,233.85

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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.