Home / 19,327,659.10-28,994,987.85-9,718,855.90

Finding the Fourth Proportional to 19,327,659.10, 28,994,987.85 and 9,718,855.90

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Solution

The fourth proportional to 19,327,659.10, 28,994,987.85 and 9,718,855.90 is: 14,580,043.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,327,659.10 : 28,994,987.85 = 9,718,855.90 : x
  2. Step 2: Convert to fraction form
    19,327,659.10/28,994,987.85 = 9,718,855.90/x
  3. Step 3: Cross multiply
    19,327,659.10x = 28,994,987.85 × 9,718,855.90
  4. Step 4: Simplify right side
    19,327,659.10x = 281,798,108,736,400.81
  5. Step 5: Solve for x
    x = 281,798,108,736,400.81/19,327,659.10
  6. Step 6: Final answer
    x = 14,580,043.41

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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.