Home / 15,726,117.56-21,702,740.48-8,851,044.92

Finding the Fourth Proportional to 15,726,117.56, 21,702,740.48 and 8,851,044.92

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Solution

The fourth proportional to 15,726,117.56, 21,702,740.48 and 8,851,044.92 is: 12,214,834.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,726,117.56 : 21,702,740.48 = 8,851,044.92 : x
  2. Step 2: Convert to fraction form
    15,726,117.56/21,702,740.48 = 8,851,044.92/x
  3. Step 3: Cross multiply
    15,726,117.56x = 21,702,740.48 × 8,851,044.92
  4. Step 4: Simplify right side
    15,726,117.56x = 192,091,930,875,582.38
  5. Step 5: Solve for x
    x = 192,091,930,875,582.38/15,726,117.56
  6. Step 6: Final answer
    x = 12,214,834.98

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.