Home / 19,038,295.28-28,568,789.40-6,908,705.12

Finding the Fourth Proportional to 19,038,295.28, 28,568,789.40 and 6,908,705.12

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Solution

The fourth proportional to 19,038,295.28, 28,568,789.40 and 6,908,705.12 is: 10,367,175.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,038,295.28 : 28,568,789.40 = 6,908,705.12 : x
  2. Step 2: Convert to fraction form
    19,038,295.28/28,568,789.40 = 6,908,705.12/x
  3. Step 3: Cross multiply
    19,038,295.28x = 28,568,789.40 × 6,908,705.12
  4. Step 4: Simplify right side
    19,038,295.28x = 197,373,341,599,981.72
  5. Step 5: Solve for x
    x = 197,373,341,599,981.72/19,038,295.28
  6. Step 6: Final answer
    x = 10,367,175.14

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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.