Home / 12,528,093.90-18,792,140.85-8,874,929.10

Finding the Fourth Proportional to 12,528,093.90, 18,792,140.85 and 8,874,929.10

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Solution

The fourth proportional to 12,528,093.90, 18,792,140.85 and 8,874,929.10 is: 13,312,393.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,528,093.90 : 18,792,140.85 = 8,874,929.10 : x
  2. Step 2: Convert to fraction form
    12,528,093.90/18,792,140.85 = 8,874,929.10/x
  3. Step 3: Cross multiply
    12,528,093.90x = 18,792,140.85 × 8,874,929.10
  4. Step 4: Simplify right side
    12,528,093.90x = 166,778,917,680,963.75
  5. Step 5: Solve for x
    x = 166,778,917,680,963.75/12,528,093.90
  6. Step 6: Final answer
    x = 13,312,393.65

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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.