Home / 52,612,135.60-78,916,424.64-18,532,590.88

Finding the Fourth Proportional to 52,612,135.60, 78,916,424.64 and 18,532,590.88

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Solution

The fourth proportional to 52,612,135.60, 78,916,424.64 and 18,532,590.88 is: 27,798,259.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    52,612,135.60 : 78,916,424.64 = 18,532,590.88 : x
  2. Step 2: Convert to fraction form
    52,612,135.60/78,916,424.64 = 18,532,590.88/x
  3. Step 3: Cross multiply
    52,612,135.60x = 78,916,424.64 × 18,532,590.88
  4. Step 4: Simplify right side
    52,612,135.60x = 1,462,525,811,565,471.25
  5. Step 5: Solve for x
    x = 1,462,525,811,565,471.25/52,612,135.60
  6. Step 6: Final answer
    x = 27,798,259.75

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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.