Home / 28,794,965.42-39,737,192.72-15,742,224.96

Finding the Fourth Proportional to 28,794,965.42, 39,737,192.72 and 15,742,224.96

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Solution

The fourth proportional to 28,794,965.42, 39,737,192.72 and 15,742,224.96 is: 21,724,347.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,794,965.42 : 39,737,192.72 = 15,742,224.96 : x
  2. Step 2: Convert to fraction form
    28,794,965.42/39,737,192.72 = 15,742,224.96/x
  3. Step 3: Cross multiply
    28,794,965.42x = 39,737,192.72 × 15,742,224.96
  4. Step 4: Simplify right side
    28,794,965.42x = 625,551,826,998,403.25
  5. Step 5: Solve for x
    x = 625,551,826,998,403.25/28,794,965.42
  6. Step 6: Final answer
    x = 21,724,347.22

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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.