Home / 9,157,696.80-12,637,670.40-5,721,930.24

Finding the Fourth Proportional to 9,157,696.80, 12,637,670.40 and 5,721,930.24

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Solution

The fourth proportional to 9,157,696.80, 12,637,670.40 and 5,721,930.24 is: 7,896,294.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,157,696.80 : 12,637,670.40 = 5,721,930.24 : x
  2. Step 2: Convert to fraction form
    9,157,696.80/12,637,670.40 = 5,721,930.24/x
  3. Step 3: Cross multiply
    9,157,696.80x = 12,637,670.40 × 5,721,930.24
  4. Step 4: Simplify right side
    9,157,696.80x = 72,311,868,424,912.91
  5. Step 5: Solve for x
    x = 72,311,868,424,912.91/9,157,696.80
  6. Step 6: Final answer
    x = 7,896,294.23

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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.