Home / 39,807,909.51-54,928,990.11-22,403,216.76

Finding the Fourth Proportional to 39,807,909.51, 54,928,990.11 and 22,403,216.76

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Solution

The fourth proportional to 39,807,909.51, 54,928,990.11 and 22,403,216.76 is: 30,913,104.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,807,909.51 : 54,928,990.11 = 22,403,216.76 : x
  2. Step 2: Convert to fraction form
    39,807,909.51/54,928,990.11 = 22,403,216.76/x
  3. Step 3: Cross multiply
    39,807,909.51x = 54,928,990.11 × 22,403,216.76
  4. Step 4: Simplify right side
    39,807,909.51x = 1,230,586,071,842,226.25
  5. Step 5: Solve for x
    x = 1,230,586,071,842,226.25/39,807,909.51
  6. Step 6: Final answer
    x = 30,913,104.63

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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.