Home / 28,244,719.60-42,367,079.40-7,774,399.60

Finding the Fourth Proportional to 28,244,719.60, 42,367,079.40 and 7,774,399.60

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Solution

The fourth proportional to 28,244,719.60, 42,367,079.40 and 7,774,399.60 is: 11,661,599.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,244,719.60 : 42,367,079.40 = 7,774,399.60 : x
  2. Step 2: Convert to fraction form
    28,244,719.60/42,367,079.40 = 7,774,399.60/x
  3. Step 3: Cross multiply
    28,244,719.60x = 42,367,079.40 × 7,774,399.60
  4. Step 4: Simplify right side
    28,244,719.60x = 329,378,605,140,528.19
  5. Step 5: Solve for x
    x = 329,378,605,140,528.19/28,244,719.60
  6. Step 6: Final answer
    x = 11,661,599.40

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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.