Home / 10,318,990.41-15,478,835.13-2,745,963.45

Finding the Fourth Proportional to 10,318,990.41, 15,478,835.13 and 2,745,963.45

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Solution

The fourth proportional to 10,318,990.41, 15,478,835.13 and 2,745,963.45 is: 4,119,038.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,318,990.41 : 15,478,835.13 = 2,745,963.45 : x
  2. Step 2: Convert to fraction form
    10,318,990.41/15,478,835.13 = 2,745,963.45/x
  3. Step 3: Cross multiply
    10,318,990.41x = 15,478,835.13 × 2,745,963.45
  4. Step 4: Simplify right side
    10,318,990.41x = 42,504,315,515,556
  5. Step 5: Solve for x
    x = 42,504,315,515,556/10,318,990.41
  6. Step 6: Final answer
    x = 4,119,038.18

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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.