Home / 31,709,268.36-43,761,861.90-17,772,990.78

Finding the Fourth Proportional to 31,709,268.36, 43,761,861.90 and 17,772,990.78

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Solution

The fourth proportional to 31,709,268.36, 43,761,861.90 and 17,772,990.78 is: 24,528,448.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,709,268.36 : 43,761,861.90 = 17,772,990.78 : x
  2. Step 2: Convert to fraction form
    31,709,268.36/43,761,861.90 = 17,772,990.78/x
  3. Step 3: Cross multiply
    31,709,268.36x = 43,761,861.90 × 17,772,990.78
  4. Step 4: Simplify right side
    31,709,268.36x = 777,779,168,064,333.25
  5. Step 5: Solve for x
    x = 777,779,168,064,333.25/31,709,268.36
  6. Step 6: Final answer
    x = 24,528,448.88

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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.