Home / 10,595,918.60-15,870,258.30-8,186,719.40

Finding the Fourth Proportional to 10,595,918.60, 15,870,258.30 and 8,186,719.40

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Solution

The fourth proportional to 10,595,918.60, 15,870,258.30 and 8,186,719.40 is: 12,261,829.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,595,918.60 : 15,870,258.30 = 8,186,719.40 : x
  2. Step 2: Convert to fraction form
    10,595,918.60/15,870,258.30 = 8,186,719.40/x
  3. Step 3: Cross multiply
    10,595,918.60x = 15,870,258.30 × 8,186,719.40
  4. Step 4: Simplify right side
    10,595,918.60x = 129,925,351,507,621.03
  5. Step 5: Solve for x
    x = 129,925,351,507,621.03/10,595,918.60
  6. Step 6: Final answer
    x = 12,261,829.90

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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.