Home / 12,792,000.90-19,188,001.35-5,214,836.10

Finding the Fourth Proportional to 12,792,000.90, 19,188,001.35 and 5,214,836.10

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Solution

The fourth proportional to 12,792,000.90, 19,188,001.35 and 5,214,836.10 is: 7,822,254.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,792,000.90 : 19,188,001.35 = 5,214,836.10 : x
  2. Step 2: Convert to fraction form
    12,792,000.90/19,188,001.35 = 5,214,836.10/x
  3. Step 3: Cross multiply
    12,792,000.90x = 19,188,001.35 × 5,214,836.10
  4. Step 4: Simplify right side
    12,792,000.90x = 100,062,282,126,828.73
  5. Step 5: Solve for x
    x = 100,062,282,126,828.73/12,792,000.90
  6. Step 6: Final answer
    x = 7,822,254.15

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1.5x scale

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.