Home / 9,369,128.70-12,900,654.96-8,201,037.99

Finding the Fourth Proportional to 9,369,128.70, 12,900,654.96 and 8,201,037.99

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Solution

The fourth proportional to 9,369,128.70, 12,900,654.96 and 8,201,037.99 is: 11,292,273.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,369,128.70 : 12,900,654.96 = 8,201,037.99 : x
  2. Step 2: Convert to fraction form
    9,369,128.70/12,900,654.96 = 8,201,037.99/x
  3. Step 3: Cross multiply
    9,369,128.70x = 12,900,654.96 × 8,201,037.99
  4. Step 4: Simplify right side
    9,369,128.70x = 105,798,761,440,465.50
  5. Step 5: Solve for x
    x = 105,798,761,440,465.50/9,369,128.70
  6. Step 6: Final answer
    x = 11,292,273.25

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.