Home / 40,884,588.25-61,354,154.60-21,206,850.72

Finding the Fourth Proportional to 40,884,588.25, 61,354,154.60 and 21,206,850.72

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Solution

The fourth proportional to 40,884,588.25, 61,354,154.60 and 21,206,850.72 is: 31,824,422.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    40,884,588.25 : 61,354,154.60 = 21,206,850.72 : x
  2. Step 2: Convert to fraction form
    40,884,588.25/61,354,154.60 = 21,206,850.72/x
  3. Step 3: Cross multiply
    40,884,588.25x = 61,354,154.60 × 21,206,850.72
  4. Step 4: Simplify right side
    40,884,588.25x = 1,301,128,397,742,532
  5. Step 5: Solve for x
    x = 1,301,128,397,742,532/40,884,588.25
  6. Step 6: Final answer
    x = 31,824,422.19

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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.