Home / 12,528,040.90-18,792,061.35-8,874,876.10

Finding the Fourth Proportional to 12,528,040.90, 18,792,061.35 and 8,874,876.10

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Solution

The fourth proportional to 12,528,040.90, 18,792,061.35 and 8,874,876.10 is: 13,312,314.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,528,040.90 : 18,792,061.35 = 8,874,876.10 : x
  2. Step 2: Convert to fraction form
    12,528,040.90/18,792,061.35 = 8,874,876.10/x
  3. Step 3: Cross multiply
    12,528,040.90x = 18,792,061.35 × 8,874,876.10
  4. Step 4: Simplify right side
    12,528,040.90x = 166,777,216,144,848.75
  5. Step 5: Solve for x
    x = 166,777,216,144,848.75/12,528,040.90
  6. Step 6: Final answer
    x = 13,312,314.15

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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.