Home / 12,294,443.70-18,442,560.60-4,721,409.45

Finding the Fourth Proportional to 12,294,443.70, 18,442,560.60 and 4,721,409.45

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Solution

The fourth proportional to 12,294,443.70, 18,442,560.60 and 4,721,409.45 is: 7,082,457.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,294,443.70 : 18,442,560.60 = 4,721,409.45 : x
  2. Step 2: Convert to fraction form
    12,294,443.70/18,442,560.60 = 4,721,409.45/x
  3. Step 3: Cross multiply
    12,294,443.70x = 18,442,560.60 × 4,721,409.45
  4. Step 4: Simplify right side
    12,294,443.70x = 87,074,879,899,037.69
  5. Step 5: Solve for x
    x = 87,074,879,899,037.69/12,294,443.70
  6. Step 6: Final answer
    x = 7,082,457.90

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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.