Home / 10,307,147.40-15,460,721.10-7,283,838.60

Finding the Fourth Proportional to 10,307,147.40, 15,460,721.10 and 7,283,838.60

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Solution

The fourth proportional to 10,307,147.40, 15,460,721.10 and 7,283,838.60 is: 10,925,757.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,307,147.40 : 15,460,721.10 = 7,283,838.60 : x
  2. Step 2: Convert to fraction form
    10,307,147.40/15,460,721.10 = 7,283,838.60/x
  3. Step 3: Cross multiply
    10,307,147.40x = 15,460,721.10 × 7,283,838.60
  4. Step 4: Simplify right side
    10,307,147.40x = 112,613,397,132,014.45
  5. Step 5: Solve for x
    x = 112,613,397,132,014.45/10,307,147.40
  6. Step 6: Final answer
    x = 10,925,757.90

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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.