Home / 12,857,063.16-17,737,696.20-7,347,482.20

Finding the Fourth Proportional to 12,857,063.16, 17,737,696.20 and 7,347,482.20

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Solution

The fourth proportional to 12,857,063.16, 17,737,696.20 and 7,347,482.20 is: 10,136,638.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,857,063.16 : 17,737,696.20 = 7,347,482.20 : x
  2. Step 2: Convert to fraction form
    12,857,063.16/17,737,696.20 = 7,347,482.20/x
  3. Step 3: Cross multiply
    12,857,063.16x = 17,737,696.20 × 7,347,482.20
  4. Step 4: Simplify right side
    12,857,063.16x = 130,327,407,098,507.64
  5. Step 5: Solve for x
    x = 130,327,407,098,507.64/12,857,063.16
  6. Step 6: Final answer
    x = 10,136,638.94

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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.