Home / 14,685,019.58-20,264,138.93-8,490,463.74

Finding the Fourth Proportional to 14,685,019.58, 20,264,138.93 and 8,490,463.74

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Solution

The fourth proportional to 14,685,019.58, 20,264,138.93 and 8,490,463.74 is: 11,716,153.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,685,019.58 : 20,264,138.93 = 8,490,463.74 : x
  2. Step 2: Convert to fraction form
    14,685,019.58/20,264,138.93 = 8,490,463.74/x
  3. Step 3: Cross multiply
    14,685,019.58x = 20,264,138.93 × 8,490,463.74
  4. Step 4: Simplify right side
    14,685,019.58x = 172,051,936,715,380.75
  5. Step 5: Solve for x
    x = 172,051,936,715,380.75/14,685,019.58
  6. Step 6: Final answer
    x = 11,716,153.03

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1.5x scale

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.