Home / 28,389,153.53-42,584,068.23-7,917,627.57

Finding the Fourth Proportional to 28,389,153.53, 42,584,068.23 and 7,917,627.57

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Solution

The fourth proportional to 28,389,153.53, 42,584,068.23 and 7,917,627.57 is: 11,876,535.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,389,153.53 : 42,584,068.23 = 7,917,627.57 : x
  2. Step 2: Convert to fraction form
    28,389,153.53/42,584,068.23 = 7,917,627.57/x
  3. Step 3: Cross multiply
    28,389,153.53x = 42,584,068.23 × 7,917,627.57
  4. Step 4: Simplify right side
    28,389,153.53x = 337,164,792,487,573.69
  5. Step 5: Solve for x
    x = 337,164,792,487,573.69/28,389,153.53
  6. Step 6: Final answer
    x = 11,876,535.60

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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.