Home / 28,540,437.48-39,385,830.66-16,317,550.44

Finding the Fourth Proportional to 28,540,437.48, 39,385,830.66 and 16,317,550.44

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Solution

The fourth proportional to 28,540,437.48, 39,385,830.66 and 16,317,550.44 is: 22,518,235.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,540,437.48 : 39,385,830.66 = 16,317,550.44 : x
  2. Step 2: Convert to fraction form
    28,540,437.48/39,385,830.66 = 16,317,550.44/x
  3. Step 3: Cross multiply
    28,540,437.48x = 39,385,830.66 × 16,317,550.44
  4. Step 4: Simplify right side
    28,540,437.48x = 642,680,278,415,848.38
  5. Step 5: Solve for x
    x = 642,680,278,415,848.38/28,540,437.48
  6. Step 6: Final answer
    x = 22,518,235.01

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.