Home / 9,781,207.65-14,671,811.48-8,198,694.45

Finding the Fourth Proportional to 9,781,207.65, 14,671,811.48 and 8,198,694.45

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Solution

The fourth proportional to 9,781,207.65, 14,671,811.48 and 8,198,694.45 is: 12,298,041.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,781,207.65 : 14,671,811.48 = 8,198,694.45 : x
  2. Step 2: Convert to fraction form
    9,781,207.65/14,671,811.48 = 8,198,694.45/x
  3. Step 3: Cross multiply
    9,781,207.65x = 14,671,811.48 × 8,198,694.45
  4. Step 4: Simplify right side
    9,781,207.65x = 120,289,699,311,528.81
  5. Step 5: Solve for x
    x = 120,289,699,311,528.81/9,781,207.65
  6. Step 6: Final answer
    x = 12,298,041.68

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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.