Home / 20,112,073.95-30,168,110.93-7,332,995.55

Finding the Fourth Proportional to 20,112,073.95, 30,168,110.93 and 7,332,995.55

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Solution

The fourth proportional to 20,112,073.95, 30,168,110.93 and 7,332,995.55 is: 10,999,493.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,112,073.95 : 30,168,110.93 = 7,332,995.55 : x
  2. Step 2: Convert to fraction form
    20,112,073.95/30,168,110.93 = 7,332,995.55/x
  3. Step 3: Cross multiply
    20,112,073.95x = 30,168,110.93 × 7,332,995.55
  4. Step 4: Simplify right side
    20,112,073.95x = 221,222,623,164,931.38
  5. Step 5: Solve for x
    x = 221,222,623,164,931.38/20,112,073.95
  6. Step 6: Final answer
    x = 10,999,493.33

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Double scale
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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.