Home / 28,374,382.90-42,567,552.99-9,203,645.30

Finding the Fourth Proportional to 28,374,382.90, 42,567,552.99 and 9,203,645.30

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Solution

The fourth proportional to 28,374,382.90, 42,567,552.99 and 9,203,645.30 is: 13,807,407.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,374,382.90 : 42,567,552.99 = 9,203,645.30 : x
  2. Step 2: Convert to fraction form
    28,374,382.90/42,567,552.99 = 9,203,645.30/x
  3. Step 3: Cross multiply
    28,374,382.90x = 42,567,552.99 × 9,203,645.30
  4. Step 4: Simplify right side
    28,374,382.90x = 391,776,659,008,914.50
  5. Step 5: Solve for x
    x = 391,776,659,008,914.50/28,374,382.90
  6. Step 6: Final answer
    x = 13,807,407.21

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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.