Home / 28,912,178.90-39,898,430.40-16,522,131.32

Finding the Fourth Proportional to 28,912,178.90, 39,898,430.40 and 16,522,131.32

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Solution

The fourth proportional to 28,912,178.90, 39,898,430.40 and 16,522,131.32 is: 22,800,326.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,912,178.90 : 39,898,430.40 = 16,522,131.32 : x
  2. Step 2: Convert to fraction form
    28,912,178.90/39,898,430.40 = 16,522,131.32/x
  3. Step 3: Cross multiply
    28,912,178.90x = 39,898,430.40 × 16,522,131.32
  4. Step 4: Simplify right side
    28,912,178.90x = 659,207,106,530,680.12
  5. Step 5: Solve for x
    x = 659,207,106,530,680.12/28,912,178.90
  6. Step 6: Final answer
    x = 22,800,326.08

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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.