Home / 39,557,889-59,357,086.34-18,831,784.77

Finding the Fourth Proportional to 39,557,889, 59,357,086.34 and 18,831,784.77

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Solution

The fourth proportional to 39,557,889, 59,357,086.34 and 18,831,784.77 is: 28,257,318.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,557,889 : 59,357,086.34 = 18,831,784.77 : x
  2. Step 2: Convert to fraction form
    39,557,889/59,357,086.34 = 18,831,784.77/x
  3. Step 3: Cross multiply
    39,557,889x = 59,357,086.34 × 18,831,784.77
  4. Step 4: Simplify right side
    39,557,889x = 1,117,799,874,435,028.12
  5. Step 5: Solve for x
    x = 1,117,799,874,435,028.12/39,557,889
  6. Step 6: Final answer
    x = 28,257,318.65

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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.