Home / 31,124,477.60-46,686,716.40-20,374,935.20

Finding the Fourth Proportional to 31,124,477.60, 46,686,716.40 and 20,374,935.20

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Solution

The fourth proportional to 31,124,477.60, 46,686,716.40 and 20,374,935.20 is: 30,562,402.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,124,477.60 : 46,686,716.40 = 20,374,935.20 : x
  2. Step 2: Convert to fraction form
    31,124,477.60/46,686,716.40 = 20,374,935.20/x
  3. Step 3: Cross multiply
    31,124,477.60x = 46,686,716.40 × 20,374,935.20
  4. Step 4: Simplify right side
    31,124,477.60x = 951,238,821,350,777.25
  5. Step 5: Solve for x
    x = 951,238,821,350,777.25/31,124,477.60
  6. Step 6: Final answer
    x = 30,562,402.80

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1.5x scale

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.