Home / 19,240,329.20-28,876,823.40-7,888,924.40

Finding the Fourth Proportional to 19,240,329.20, 28,876,823.40 and 7,888,924.40

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Solution

The fourth proportional to 19,240,329.20, 28,876,823.40 and 7,888,924.40 is: 11,840,082.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,240,329.20 : 28,876,823.40 = 7,888,924.40 : x
  2. Step 2: Convert to fraction form
    19,240,329.20/28,876,823.40 = 7,888,924.40/x
  3. Step 3: Cross multiply
    19,240,329.20x = 28,876,823.40 × 7,888,924.40
  4. Step 4: Simplify right side
    19,240,329.20x = 227,807,076,714,750.97
  5. Step 5: Solve for x
    x = 227,807,076,714,750.97/19,240,329.20
  6. Step 6: Final answer
    x = 11,840,082.07

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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.