Home / 30,362,330.66-41,918,240.14-18,775,429.70

Finding the Fourth Proportional to 30,362,330.66, 41,918,240.14 and 18,775,429.70

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Solution

The fourth proportional to 30,362,330.66, 41,918,240.14 and 18,775,429.70 is: 25,921,362.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,362,330.66 : 41,918,240.14 = 18,775,429.70 : x
  2. Step 2: Convert to fraction form
    30,362,330.66/41,918,240.14 = 18,775,429.70/x
  3. Step 3: Cross multiply
    30,362,330.66x = 41,918,240.14 × 18,775,429.70
  4. Step 4: Simplify right side
    30,362,330.66x = 787,032,970,639,758.50
  5. Step 5: Solve for x
    x = 787,032,970,639,758.50/30,362,330.66
  6. Step 6: Final answer
    x = 25,921,362.22

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1.5x scale

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.