Home / 38,892,245.40-58,338,368.10-11,962,402.20

Finding the Fourth Proportional to 38,892,245.40, 58,338,368.10 and 11,962,402.20

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Solution

The fourth proportional to 38,892,245.40, 58,338,368.10 and 11,962,402.20 is: 17,943,603.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,892,245.40 : 58,338,368.10 = 11,962,402.20 : x
  2. Step 2: Convert to fraction form
    38,892,245.40/58,338,368.10 = 11,962,402.20/x
  3. Step 3: Cross multiply
    38,892,245.40x = 58,338,368.10 × 11,962,402.20
  4. Step 4: Simplify right side
    38,892,245.40x = 697,867,022,903,849.75
  5. Step 5: Solve for x
    x = 697,867,022,903,849.75/38,892,245.40
  6. Step 6: Final answer
    x = 17,943,603.30

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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.