Home / 12,528,034.90-18,792,052.35-8,874,870.10

Finding the Fourth Proportional to 12,528,034.90, 18,792,052.35 and 8,874,870.10

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Solution

The fourth proportional to 12,528,034.90, 18,792,052.35 and 8,874,870.10 is: 13,312,305.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,528,034.90 : 18,792,052.35 = 8,874,870.10 : x
  2. Step 2: Convert to fraction form
    12,528,034.90/18,792,052.35 = 8,874,870.10/x
  3. Step 3: Cross multiply
    12,528,034.90x = 18,792,052.35 × 8,874,870.10
  4. Step 4: Simplify right side
    12,528,034.90x = 166,777,023,518,649.75
  5. Step 5: Solve for x
    x = 166,777,023,518,649.75/12,528,034.90
  6. Step 6: Final answer
    x = 13,312,305.15

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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.