Home / 30,252,079.70-45,372,214.65-10,057,321.70

Finding the Fourth Proportional to 30,252,079.70, 45,372,214.65 and 10,057,321.70

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Solution

The fourth proportional to 30,252,079.70, 45,372,214.65 and 10,057,321.70 is: 15,084,019.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,252,079.70 : 45,372,214.65 = 10,057,321.70 : x
  2. Step 2: Convert to fraction form
    30,252,079.70/45,372,214.65 = 10,057,321.70/x
  3. Step 3: Cross multiply
    30,252,079.70x = 45,372,214.65 × 10,057,321.70
  4. Step 4: Simplify right side
    30,252,079.70x = 456,322,958,976,502.88
  5. Step 5: Solve for x
    x = 456,322,958,976,502.88/30,252,079.70
  6. Step 6: Final answer
    x = 15,084,019.46

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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.