Home / 12,696,638.16-17,521,463.63-6,895,461.43

Finding the Fourth Proportional to 12,696,638.16, 17,521,463.63 and 6,895,461.43

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Solution

The fourth proportional to 12,696,638.16, 17,521,463.63 and 6,895,461.43 is: 9,515,792.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,696,638.16 : 17,521,463.63 = 6,895,461.43 : x
  2. Step 2: Convert to fraction form
    12,696,638.16/17,521,463.63 = 6,895,461.43/x
  3. Step 3: Cross multiply
    12,696,638.16x = 17,521,463.63 × 6,895,461.43
  4. Step 4: Simplify right side
    12,696,638.16x = 120,818,576,657,812.78
  5. Step 5: Solve for x
    x = 120,818,576,657,812.78/12,696,638.16
  6. Step 6: Final answer
    x = 9,515,792.70

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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.