Home / 52,277,800.24-78,420,445.74-13,939,113.52

Finding the Fourth Proportional to 52,277,800.24, 78,420,445.74 and 13,939,113.52

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Solution

The fourth proportional to 52,277,800.24, 78,420,445.74 and 13,939,113.52 is: 20,909,668.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    52,277,800.24 : 78,420,445.74 = 13,939,113.52 : x
  2. Step 2: Convert to fraction form
    52,277,800.24/78,420,445.74 = 13,939,113.52/x
  3. Step 3: Cross multiply
    52,277,800.24x = 78,420,445.74 × 13,939,113.52
  4. Step 4: Simplify right side
    52,277,800.24x = 1,093,111,495,458,860.25
  5. Step 5: Solve for x
    x = 1,093,111,495,458,860.25/52,277,800.24
  6. Step 6: Final answer
    x = 20,909,668.93

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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.