Home / 19,327,646.60-28,994,969.10-9,718,843.40

Finding the Fourth Proportional to 19,327,646.60, 28,994,969.10 and 9,718,843.40

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Solution

The fourth proportional to 19,327,646.60, 28,994,969.10 and 9,718,843.40 is: 14,580,024.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,327,646.60 : 28,994,969.10 = 9,718,843.40 : x
  2. Step 2: Convert to fraction form
    19,327,646.60/28,994,969.10 = 9,718,843.40/x
  3. Step 3: Cross multiply
    19,327,646.60x = 28,994,969.10 × 9,718,843.40
  4. Step 4: Simplify right side
    19,327,646.60x = 281,797,564,070,738.94
  5. Step 5: Solve for x
    x = 281,797,564,070,738.94/19,327,646.60
  6. Step 6: Final answer
    x = 14,580,024.66

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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.