Home / 10,642,002.40-15,963,003.60-10,054,136.80

Finding the Fourth Proportional to 10,642,002.40, 15,963,003.60 and 10,054,136.80

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Solution

The fourth proportional to 10,642,002.40, 15,963,003.60 and 10,054,136.80 is: 15,081,205.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,642,002.40 : 15,963,003.60 = 10,054,136.80 : x
  2. Step 2: Convert to fraction form
    10,642,002.40/15,963,003.60 = 10,054,136.80/x
  3. Step 3: Cross multiply
    10,642,002.40x = 15,963,003.60 × 10,054,136.80
  4. Step 4: Simplify right side
    10,642,002.40x = 160,494,221,933,292.50
  5. Step 5: Solve for x
    x = 160,494,221,933,292.50/10,642,002.40
  6. Step 6: Final answer
    x = 15,081,205.20

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Similar ratio
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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.