Home / 7,017,136-10,510,780.20-3,368,487.20

Finding the Fourth Proportional to 7,017,136, 10,510,780.20 and 3,368,487.20

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Solution

The fourth proportional to 7,017,136, 10,510,780.20 and 3,368,487.20 is: 5,045,566.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,017,136 : 10,510,780.20 = 3,368,487.20 : x
  2. Step 2: Convert to fraction form
    7,017,136/10,510,780.20 = 3,368,487.20/x
  3. Step 3: Cross multiply
    7,017,136x = 10,510,780.20 × 3,368,487.20
  4. Step 4: Simplify right side
    7,017,136x = 35,405,428,565,713.44
  5. Step 5: Solve for x
    x = 35,405,428,565,713.44/7,017,136
  6. Step 6: Final answer
    x = 5,045,566.82

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.