Home / 39,380,537.40-58,976,327.70-19,162,159.80

Finding the Fourth Proportional to 39,380,537.40, 58,976,327.70 and 19,162,159.80

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Solution

The fourth proportional to 39,380,537.40, 58,976,327.70 and 19,162,159.80 is: 28,697,267.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,380,537.40 : 58,976,327.70 = 19,162,159.80 : x
  2. Step 2: Convert to fraction form
    39,380,537.40/58,976,327.70 = 19,162,159.80/x
  3. Step 3: Cross multiply
    39,380,537.40x = 58,976,327.70 × 19,162,159.80
  4. Step 4: Simplify right side
    39,380,537.40x = 1,130,113,815,804,566.50
  5. Step 5: Solve for x
    x = 1,130,113,815,804,566.50/39,380,537.40
  6. Step 6: Final answer
    x = 28,697,267.49

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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.