Home / 40,420,200.98-55,779,926.62-21,835,340.15

Finding the Fourth Proportional to 40,420,200.98, 55,779,926.62 and 21,835,340.15

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Solution

The fourth proportional to 40,420,200.98, 55,779,926.62 and 21,835,340.15 is: 30,132,796.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    40,420,200.98 : 55,779,926.62 = 21,835,340.15 : x
  2. Step 2: Convert to fraction form
    40,420,200.98/55,779,926.62 = 21,835,340.15/x
  3. Step 3: Cross multiply
    40,420,200.98x = 55,779,926.62 × 21,835,340.15
  4. Step 4: Simplify right side
    40,420,200.98x = 1,217,973,671,310,955.25
  5. Step 5: Solve for x
    x = 1,217,973,671,310,955.25/40,420,200.98
  6. Step 6: Final answer
    x = 30,132,796.02

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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.