Home / 12,010,210-17,970,113.76-8,422,979.20

Finding the Fourth Proportional to 12,010,210, 17,970,113.76 and 8,422,979.20

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Solution

The fourth proportional to 12,010,210, 17,970,113.76 and 8,422,979.20 is: 12,602,768.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,010,210 : 17,970,113.76 = 8,422,979.20 : x
  2. Step 2: Convert to fraction form
    12,010,210/17,970,113.76 = 8,422,979.20/x
  3. Step 3: Cross multiply
    12,010,210x = 17,970,113.76 × 8,422,979.20
  4. Step 4: Simplify right side
    12,010,210x = 151,361,894,422,113.78
  5. Step 5: Solve for x
    x = 151,361,894,422,113.78/12,010,210
  6. Step 6: Final answer
    x = 12,602,768.35

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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.