Home / 10,658,567.70-15,987,851.55-4,989,863.70

Finding the Fourth Proportional to 10,658,567.70, 15,987,851.55 and 4,989,863.70

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Solution

The fourth proportional to 10,658,567.70, 15,987,851.55 and 4,989,863.70 is: 7,484,795.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,658,567.70 : 15,987,851.55 = 4,989,863.70 : x
  2. Step 2: Convert to fraction form
    10,658,567.70/15,987,851.55 = 4,989,863.70/x
  3. Step 3: Cross multiply
    10,658,567.70x = 15,987,851.55 × 4,989,863.70
  4. Step 4: Simplify right side
    10,658,567.70x = 79,777,200,090,333.73
  5. Step 5: Solve for x
    x = 79,777,200,090,333.73/10,658,567.70
  6. Step 6: Final answer
    x = 7,484,795.55

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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.