Home / 30,612,099.93-45,923,800.46-12,662,603.61

Finding the Fourth Proportional to 30,612,099.93, 45,923,800.46 and 12,662,603.61

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Solution

The fourth proportional to 30,612,099.93, 45,923,800.46 and 12,662,603.61 is: 18,996,242.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,612,099.93 : 45,923,800.46 = 12,662,603.61 : x
  2. Step 2: Convert to fraction form
    30,612,099.93/45,923,800.46 = 12,662,603.61/x
  3. Step 3: Cross multiply
    30,612,099.93x = 45,923,800.46 × 12,662,603.61
  4. Step 4: Simplify right side
    30,612,099.93x = 581,514,881,489,715.62
  5. Step 5: Solve for x
    x = 581,514,881,489,715.62/30,612,099.93
  6. Step 6: Final answer
    x = 18,996,242.75

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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.