Home / 13,998,949.32-19,319,699.88-7,720,704.66

Finding the Fourth Proportional to 13,998,949.32, 19,319,699.88 and 7,720,704.66

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Solution

The fourth proportional to 13,998,949.32, 19,319,699.88 and 7,720,704.66 is: 10,655,206.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,998,949.32 : 19,319,699.88 = 7,720,704.66 : x
  2. Step 2: Convert to fraction form
    13,998,949.32/19,319,699.88 = 7,720,704.66/x
  3. Step 3: Cross multiply
    13,998,949.32x = 19,319,699.88 × 7,720,704.66
  4. Step 4: Simplify right side
    13,998,949.32x = 149,161,696,893,317.44
  5. Step 5: Solve for x
    x = 149,161,696,893,317.44/13,998,949.32
  6. Step 6: Final answer
    x = 10,655,206.58

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.