Home / 28,034,705.80-42,048,122.10-8,867,400.40

Finding the Fourth Proportional to 28,034,705.80, 42,048,122.10 and 8,867,400.40

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Solution

The fourth proportional to 28,034,705.80, 42,048,122.10 and 8,867,400.40 is: 13,299,855.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,034,705.80 : 42,048,122.10 = 8,867,400.40 : x
  2. Step 2: Convert to fraction form
    28,034,705.80/42,048,122.10 = 8,867,400.40/x
  3. Step 3: Cross multiply
    28,034,705.80x = 42,048,122.10 × 8,867,400.40
  4. Step 4: Simplify right side
    28,034,705.80x = 372,857,534,728,788.88
  5. Step 5: Solve for x
    x = 372,857,534,728,788.88/28,034,705.80
  6. Step 6: Final answer
    x = 13,299,855.45

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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.