Home / 12,869,476.02-17,759,866.41-7,068,414.78

Finding the Fourth Proportional to 12,869,476.02, 17,759,866.41 and 7,068,414.78

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Solution

The fourth proportional to 12,869,476.02, 17,759,866.41 and 7,068,414.78 is: 9,754,406.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,869,476.02 : 17,759,866.41 = 7,068,414.78 : x
  2. Step 2: Convert to fraction form
    12,869,476.02/17,759,866.41 = 7,068,414.78/x
  3. Step 3: Cross multiply
    12,869,476.02x = 17,759,866.41 × 7,068,414.78
  4. Step 4: Simplify right side
    12,869,476.02x = 125,534,102,223,269.55
  5. Step 5: Solve for x
    x = 125,534,102,223,269.55/12,869,476.02
  6. Step 6: Final answer
    x = 9,754,406.63

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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.