Home / 28,441,538.40-42,662,307.60-17,076,136.80

Finding the Fourth Proportional to 28,441,538.40, 42,662,307.60 and 17,076,136.80

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Solution

The fourth proportional to 28,441,538.40, 42,662,307.60 and 17,076,136.80 is: 25,614,205.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,441,538.40 : 42,662,307.60 = 17,076,136.80 : x
  2. Step 2: Convert to fraction form
    28,441,538.40/42,662,307.60 = 17,076,136.80/x
  3. Step 3: Cross multiply
    28,441,538.40x = 42,662,307.60 × 17,076,136.80
  4. Step 4: Simplify right side
    28,441,538.40x = 728,507,400,781,279.75
  5. Step 5: Solve for x
    x = 728,507,400,781,279.75/28,441,538.40
  6. Step 6: Final answer
    x = 25,614,205.20

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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.