Home / 19,248,819.32-28,876,870.48-7,735,182.86

Finding the Fourth Proportional to 19,248,819.32, 28,876,870.48 and 7,735,182.86

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Solution

The fourth proportional to 19,248,819.32, 28,876,870.48 and 7,735,182.86 is: 11,604,237.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,248,819.32 : 28,876,870.48 = 7,735,182.86 : x
  2. Step 2: Convert to fraction form
    19,248,819.32/28,876,870.48 = 7,735,182.86/x
  3. Step 3: Cross multiply
    19,248,819.32x = 28,876,870.48 × 7,735,182.86
  4. Step 4: Simplify right side
    19,248,819.32x = 223,367,873,587,336
  5. Step 5: Solve for x
    x = 223,367,873,587,336/19,248,819.32
  6. Step 6: Final answer
    x = 11,604,237.64

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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.