Home / 40,309,421.98-55,609,443.93-25,617,214.30

Finding the Fourth Proportional to 40,309,421.98, 55,609,443.93 and 25,617,214.30

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Solution

The fourth proportional to 40,309,421.98, 55,609,443.93 and 25,617,214.30 is: 35,340,597.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    40,309,421.98 : 55,609,443.93 = 25,617,214.30 : x
  2. Step 2: Convert to fraction form
    40,309,421.98/55,609,443.93 = 25,617,214.30/x
  3. Step 3: Cross multiply
    40,309,421.98x = 55,609,443.93 × 25,617,214.30
  4. Step 4: Simplify right side
    40,309,421.98x = 1,424,559,042,258,644.25
  5. Step 5: Solve for x
    x = 1,424,559,042,258,644.25/40,309,421.98
  6. Step 6: Final answer
    x = 35,340,597.12

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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.