Home / 10,959,376.98-16,371,864.02-7,900,638.78

Finding the Fourth Proportional to 10,959,376.98, 16,371,864.02 and 7,900,638.78

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Solution

The fourth proportional to 10,959,376.98, 16,371,864.02 and 7,900,638.78 is: 11,802,512.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,959,376.98 : 16,371,864.02 = 7,900,638.78 : x
  2. Step 2: Convert to fraction form
    10,959,376.98/16,371,864.02 = 7,900,638.78/x
  3. Step 3: Cross multiply
    10,959,376.98x = 16,371,864.02 × 7,900,638.78
  4. Step 4: Simplify right side
    10,959,376.98x = 129,348,183,737,795.52
  5. Step 5: Solve for x
    x = 129,348,183,737,795.52/10,959,376.98
  6. Step 6: Final answer
    x = 11,802,512.49

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Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.