Home / 19,158,097.32-28,740,931.65-7,027,673.40

Finding the Fourth Proportional to 19,158,097.32, 28,740,931.65 and 7,027,673.40

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Solution

The fourth proportional to 19,158,097.32, 28,740,931.65 and 7,027,673.40 is: 10,542,898.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,158,097.32 : 28,740,931.65 = 7,027,673.40 : x
  2. Step 2: Convert to fraction form
    19,158,097.32/28,740,931.65 = 7,027,673.40/x
  3. Step 3: Cross multiply
    19,158,097.32x = 28,740,931.65 × 7,027,673.40
  4. Step 4: Simplify right side
    19,158,097.32x = 201,981,880,847,923.12
  5. Step 5: Solve for x
    x = 201,981,880,847,923.12/19,158,097.32
  6. Step 6: Final answer
    x = 10,542,898.78

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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.