Home / 30,625,263.69-42,249,584.27-18,228,405.92

Finding the Fourth Proportional to 30,625,263.69, 42,249,584.27 and 18,228,405.92

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Solution

The fourth proportional to 30,625,263.69, 42,249,584.27 and 18,228,405.92 is: 25,147,296.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,625,263.69 : 42,249,584.27 = 18,228,405.92 : x
  2. Step 2: Convert to fraction form
    30,625,263.69/42,249,584.27 = 18,228,405.92/x
  3. Step 3: Cross multiply
    30,625,263.69x = 42,249,584.27 × 18,228,405.92
  4. Step 4: Simplify right side
    30,625,263.69x = 770,142,571,722,416.88
  5. Step 5: Solve for x
    x = 770,142,571,722,416.88/30,625,263.69
  6. Step 6: Final answer
    x = 25,147,296.02

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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.