Home / 15,660,100.80-21,946,536-15,660,100.80

Finding the Fourth Proportional to 15,660,100.80, 21,946,536 and 15,660,100.80

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Solution

The fourth proportional to 15,660,100.80, 21,946,536 and 15,660,100.80 is: 21,946,536

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,660,100.80 : 21,946,536 = 15,660,100.80 : x
  2. Step 2: Convert to fraction form
    15,660,100.80/21,946,536 = 15,660,100.80/x
  3. Step 3: Cross multiply
    15,660,100.80x = 21,946,536 × 15,660,100.80
  4. Step 4: Simplify right side
    15,660,100.80x = 343,684,965,970,828.81
  5. Step 5: Solve for x
    x = 343,684,965,970,828.81/15,660,100.80
  6. Step 6: Final answer
    x = 21,946,536

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.40) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.