Home / 31,136,415.60-46,704,623.40-20,386,873.20

Finding the Fourth Proportional to 31,136,415.60, 46,704,623.40 and 20,386,873.20

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Solution

The fourth proportional to 31,136,415.60, 46,704,623.40 and 20,386,873.20 is: 30,580,309.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,136,415.60 : 46,704,623.40 = 20,386,873.20 : x
  2. Step 2: Convert to fraction form
    31,136,415.60/46,704,623.40 = 20,386,873.20/x
  3. Step 3: Cross multiply
    31,136,415.60x = 46,704,623.40 × 20,386,873.20
  4. Step 4: Simplify right side
    31,136,415.60x = 952,161,235,109,552.88
  5. Step 5: Solve for x
    x = 952,161,235,109,552.88/31,136,415.60
  6. Step 6: Final answer
    x = 30,580,309.80

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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.