Home / 19,929,843.95-29,894,766.29-4,783,775.45

Finding the Fourth Proportional to 19,929,843.95, 29,894,766.29 and 4,783,775.45

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Solution

The fourth proportional to 19,929,843.95, 29,894,766.29 and 4,783,775.45 is: 7,175,663.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,929,843.95 : 29,894,766.29 = 4,783,775.45 : x
  2. Step 2: Convert to fraction form
    19,929,843.95/29,894,766.29 = 4,783,775.45/x
  3. Step 3: Cross multiply
    19,929,843.95x = 29,894,766.29 × 4,783,775.45
  4. Step 4: Simplify right side
    19,929,843.95x = 143,009,849,061,589.59
  5. Step 5: Solve for x
    x = 143,009,849,061,589.59/19,929,843.95
  6. Step 6: Final answer
    x = 7,175,663.26

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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.