Home / 15,459,785.70-23,189,678.55-9,786,416.10

Finding the Fourth Proportional to 15,459,785.70, 23,189,678.55 and 9,786,416.10

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Solution

The fourth proportional to 15,459,785.70, 23,189,678.55 and 9,786,416.10 is: 14,679,624.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,459,785.70 : 23,189,678.55 = 9,786,416.10 : x
  2. Step 2: Convert to fraction form
    15,459,785.70/23,189,678.55 = 9,786,416.10/x
  3. Step 3: Cross multiply
    15,459,785.70x = 23,189,678.55 × 9,786,416.10
  4. Step 4: Simplify right side
    15,459,785.70x = 226,943,843,515,544.66
  5. Step 5: Solve for x
    x = 226,943,843,515,544.66/15,459,785.70
  6. Step 6: Final answer
    x = 14,679,624.15

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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.