Home / 30,967,149.40-46,434,977.70-18,191,570.20

Finding the Fourth Proportional to 30,967,149.40, 46,434,977.70 and 18,191,570.20

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Solution

The fourth proportional to 30,967,149.40, 46,434,977.70 and 18,191,570.20 is: 27,278,105.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,967,149.40 : 46,434,977.70 = 18,191,570.20 : x
  2. Step 2: Convert to fraction form
    30,967,149.40/46,434,977.70 = 18,191,570.20/x
  3. Step 3: Cross multiply
    30,967,149.40x = 46,434,977.70 × 18,191,570.20
  4. Step 4: Simplify right side
    30,967,149.40x = 844,725,156,564,984.50
  5. Step 5: Solve for x
    x = 844,725,156,564,984.50/30,967,149.40
  6. Step 6: Final answer
    x = 27,278,105.12

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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.