Home / 28,728,009.60-43,092,014.40-13,611,465.60

Finding the Fourth Proportional to 28,728,009.60, 43,092,014.40 and 13,611,465.60

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Solution

The fourth proportional to 28,728,009.60, 43,092,014.40 and 13,611,465.60 is: 20,417,198.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,728,009.60 : 43,092,014.40 = 13,611,465.60 : x
  2. Step 2: Convert to fraction form
    28,728,009.60/43,092,014.40 = 13,611,465.60/x
  3. Step 3: Cross multiply
    28,728,009.60x = 43,092,014.40 × 13,611,465.60
  4. Step 4: Simplify right side
    28,728,009.60x = 586,545,471,640,304.62
  5. Step 5: Solve for x
    x = 586,545,471,640,304.62/28,728,009.60
  6. Step 6: Final answer
    x = 20,417,198.40

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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.