Home / 43,457,628.20-65,186,442.30-13,165,491.20

Finding the Fourth Proportional to 43,457,628.20, 65,186,442.30 and 13,165,491.20

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Solution

The fourth proportional to 43,457,628.20, 65,186,442.30 and 13,165,491.20 is: 19,748,236.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    43,457,628.20 : 65,186,442.30 = 13,165,491.20 : x
  2. Step 2: Convert to fraction form
    43,457,628.20/65,186,442.30 = 13,165,491.20/x
  3. Step 3: Cross multiply
    43,457,628.20x = 65,186,442.30 × 13,165,491.20
  4. Step 4: Simplify right side
    43,457,628.20x = 858,211,532,459,957.62
  5. Step 5: Solve for x
    x = 858,211,532,459,957.62/43,457,628.20
  6. Step 6: Final answer
    x = 19,748,236.80

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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.