Home / 14,317,491-19,758,140.82-7,878,963

Finding the Fourth Proportional to 14,317,491, 19,758,140.82 and 7,878,963

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Solution

The fourth proportional to 14,317,491, 19,758,140.82 and 7,878,963 is: 10,872,970.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,317,491 : 19,758,140.82 = 7,878,963 : x
  2. Step 2: Convert to fraction form
    14,317,491/19,758,140.82 = 7,878,963/x
  3. Step 3: Cross multiply
    14,317,491x = 19,758,140.82 × 7,878,963
  4. Step 4: Simplify right side
    14,317,491x = 155,673,660,469,569.66
  5. Step 5: Solve for x
    x = 155,673,660,469,569.66/14,317,491
  6. Step 6: Final answer
    x = 10,872,970.72

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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.