Home / 28,030,147.80-42,045,221.70-9,854,865.60

Finding the Fourth Proportional to 28,030,147.80, 42,045,221.70 and 9,854,865.60

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Solution

The fourth proportional to 28,030,147.80, 42,045,221.70 and 9,854,865.60 is: 14,782,298.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,030,147.80 : 42,045,221.70 = 9,854,865.60 : x
  2. Step 2: Convert to fraction form
    28,030,147.80/42,045,221.70 = 9,854,865.60/x
  3. Step 3: Cross multiply
    28,030,147.80x = 42,045,221.70 × 9,854,865.60
  4. Step 4: Simplify right side
    28,030,147.80x = 414,350,008,975,703.56
  5. Step 5: Solve for x
    x = 414,350,008,975,703.56/28,030,147.80
  6. Step 6: Final answer
    x = 14,782,298.40

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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.