Home / 8,870,633.60-13,305,950.40-3,191,043.20

Finding the Fourth Proportional to 8,870,633.60, 13,305,950.40 and 3,191,043.20

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Solution

The fourth proportional to 8,870,633.60, 13,305,950.40 and 3,191,043.20 is: 4,786,564.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,870,633.60 : 13,305,950.40 = 3,191,043.20 : x
  2. Step 2: Convert to fraction form
    8,870,633.60/13,305,950.40 = 3,191,043.20/x
  3. Step 3: Cross multiply
    8,870,633.60x = 13,305,950.40 × 3,191,043.20
  4. Step 4: Simplify right side
    8,870,633.60x = 42,459,862,543,457.28
  5. Step 5: Solve for x
    x = 42,459,862,543,457.28/8,870,633.60
  6. Step 6: Final answer
    x = 4,786,564.80

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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.