Home / 31,118,806.41-42,904,030.91-25,516,412.25

Finding the Fourth Proportional to 31,118,806.41, 42,904,030.91 and 25,516,412.25

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Solution

The fourth proportional to 31,118,806.41, 42,904,030.91 and 25,516,412.25 is: 35,179,914.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,118,806.41 : 42,904,030.91 = 25,516,412.25 : x
  2. Step 2: Convert to fraction form
    31,118,806.41/42,904,030.91 = 25,516,412.25/x
  3. Step 3: Cross multiply
    31,118,806.41x = 42,904,030.91 × 25,516,412.25
  4. Step 4: Simplify right side
    31,118,806.41x = 1,094,756,939,758,720.62
  5. Step 5: Solve for x
    x = 1,094,756,939,758,720.62/31,118,806.41
  6. Step 6: Final answer
    x = 35,179,914.21

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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.