Home / 31,434,099.40-47,056,670.70-18,648,022.60

Finding the Fourth Proportional to 31,434,099.40, 47,056,670.70 and 18,648,022.60

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Solution

The fourth proportional to 31,434,099.40, 47,056,670.70 and 18,648,022.60 is: 27,915,985.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,434,099.40 : 47,056,670.70 = 18,648,022.60 : x
  2. Step 2: Convert to fraction form
    31,434,099.40/47,056,670.70 = 18,648,022.60/x
  3. Step 3: Cross multiply
    31,434,099.40x = 47,056,670.70 × 18,648,022.60
  4. Step 4: Simplify right side
    31,434,099.40x = 877,513,858,694,358
  5. Step 5: Solve for x
    x = 877,513,858,694,358/31,434,099.40
  6. Step 6: Final answer
    x = 27,915,985.36

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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.