Home / 15,782,798.08-21,780,336-8,907,569.92

Finding the Fourth Proportional to 15,782,798.08, 21,780,336 and 8,907,569.92

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Solution

The fourth proportional to 15,782,798.08, 21,780,336 and 8,907,569.92 is: 12,292,488.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,782,798.08 : 21,780,336 = 8,907,569.92 : x
  2. Step 2: Convert to fraction form
    15,782,798.08/21,780,336 = 8,907,569.92/x
  3. Step 3: Cross multiply
    15,782,798.08x = 21,780,336 × 8,907,569.92
  4. Step 4: Simplify right side
    15,782,798.08x = 194,009,865,801,093.12
  5. Step 5: Solve for x
    x = 194,009,865,801,093.12/15,782,798.08
  6. Step 6: Final answer
    x = 12,292,488.62

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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.