Home / 8,870,646.60-13,305,969.90-3,191,056.20

Finding the Fourth Proportional to 8,870,646.60, 13,305,969.90 and 3,191,056.20

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Solution

The fourth proportional to 8,870,646.60, 13,305,969.90 and 3,191,056.20 is: 4,786,584.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,870,646.60 : 13,305,969.90 = 3,191,056.20 : x
  2. Step 2: Convert to fraction form
    8,870,646.60/13,305,969.90 = 3,191,056.20/x
  3. Step 3: Cross multiply
    8,870,646.60x = 13,305,969.90 × 3,191,056.20
  4. Step 4: Simplify right side
    8,870,646.60x = 42,460,097,746,408.38
  5. Step 5: Solve for x
    x = 42,460,097,746,408.38/8,870,646.60
  6. Step 6: Final answer
    x = 4,786,584.30

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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.