Home / 28,177,365.60-42,266,048.40-10,224,136.80

Finding the Fourth Proportional to 28,177,365.60, 42,266,048.40 and 10,224,136.80

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Solution

The fourth proportional to 28,177,365.60, 42,266,048.40 and 10,224,136.80 is: 15,336,205.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,177,365.60 : 42,266,048.40 = 10,224,136.80 : x
  2. Step 2: Convert to fraction form
    28,177,365.60/42,266,048.40 = 10,224,136.80/x
  3. Step 3: Cross multiply
    28,177,365.60x = 42,266,048.40 × 10,224,136.80
  4. Step 4: Simplify right side
    28,177,365.60x = 432,133,860,837,021.12
  5. Step 5: Solve for x
    x = 432,133,860,837,021.12/28,177,365.60
  6. Step 6: Final answer
    x = 15,336,205.20

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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.