Home / 30,210,126.39-41,688,525.56-17,155,660.95

Finding the Fourth Proportional to 30,210,126.39, 41,688,525.56 and 17,155,660.95

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Solution

The fourth proportional to 30,210,126.39, 41,688,525.56 and 17,155,660.95 is: 23,673,989.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,210,126.39 : 41,688,525.56 = 17,155,660.95 : x
  2. Step 2: Convert to fraction form
    30,210,126.39/41,688,525.56 = 17,155,660.95/x
  3. Step 3: Cross multiply
    30,210,126.39x = 41,688,525.56 × 17,155,660.95
  4. Step 4: Simplify right side
    30,210,126.39x = 715,194,209,926,990.50
  5. Step 5: Solve for x
    x = 715,194,209,926,990.50/30,210,126.39
  6. Step 6: Final answer
    x = 23,673,989.33

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Double scale
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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.