Home / 39,521,723-54,539,977.74-21,433,787

Finding the Fourth Proportional to 39,521,723, 54,539,977.74 and 21,433,787

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Solution

The fourth proportional to 39,521,723, 54,539,977.74 and 21,433,787 is: 29,578,626.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,521,723 : 54,539,977.74 = 21,433,787 : x
  2. Step 2: Convert to fraction form
    39,521,723/54,539,977.74 = 21,433,787/x
  3. Step 3: Cross multiply
    39,521,723x = 54,539,977.74 × 21,433,787
  4. Step 4: Simplify right side
    39,521,723x = 1,168,998,265,863,901.50
  5. Step 5: Solve for x
    x = 1,168,998,265,863,901.50/39,521,723
  6. Step 6: Final answer
    x = 29,578,626.06

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.