Home / 10,345,706.40-15,518,559.78-3,157,277.16

Finding the Fourth Proportional to 10,345,706.40, 15,518,559.78 and 3,157,277.16

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Solution

The fourth proportional to 10,345,706.40, 15,518,559.78 and 3,157,277.16 is: 4,735,915.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,345,706.40 : 15,518,559.78 = 3,157,277.16 : x
  2. Step 2: Convert to fraction form
    10,345,706.40/15,518,559.78 = 3,157,277.16/x
  3. Step 3: Cross multiply
    10,345,706.40x = 15,518,559.78 × 3,157,277.16
  4. Step 4: Simplify right side
    10,345,706.40x = 48,996,394,349,488.62
  5. Step 5: Solve for x
    x = 48,996,394,349,488.62/10,345,706.40
  6. Step 6: Final answer
    x = 4,735,915.79

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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.