Home / 28,973,710.36-39,985,944.20-16,587,688.65

Finding the Fourth Proportional to 28,973,710.36, 39,985,944.20 and 16,587,688.65

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Solution

The fourth proportional to 28,973,710.36, 39,985,944.20 and 16,587,688.65 is: 22,892,283.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,973,710.36 : 39,985,944.20 = 16,587,688.65 : x
  2. Step 2: Convert to fraction form
    28,973,710.36/39,985,944.20 = 16,587,688.65/x
  3. Step 3: Cross multiply
    28,973,710.36x = 39,985,944.20 × 16,587,688.65
  4. Step 4: Simplify right side
    28,973,710.36x = 663,274,392,765,873.38
  5. Step 5: Solve for x
    x = 663,274,392,765,873.38/28,973,710.36
  6. Step 6: Final answer
    x = 22,892,283.54

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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.