Home / 28,352,004.20-42,528,006.30-16,986,602.60

Finding the Fourth Proportional to 28,352,004.20, 42,528,006.30 and 16,986,602.60

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Solution

The fourth proportional to 28,352,004.20, 42,528,006.30 and 16,986,602.60 is: 25,479,903.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,352,004.20 : 42,528,006.30 = 16,986,602.60 : x
  2. Step 2: Convert to fraction form
    28,352,004.20/42,528,006.30 = 16,986,602.60/x
  3. Step 3: Cross multiply
    28,352,004.20x = 42,528,006.30 × 16,986,602.60
  4. Step 4: Simplify right side
    28,352,004.20x = 722,406,342,388,396.38
  5. Step 5: Solve for x
    x = 722,406,342,388,396.38/28,352,004.20
  6. Step 6: Final answer
    x = 25,479,903.90

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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.