Home / 7,407,220.12-10,222,360.83-4,143,840.22

Finding the Fourth Proportional to 7,407,220.12, 10,222,360.83 and 4,143,840.22

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Solution

The fourth proportional to 7,407,220.12, 10,222,360.83 and 4,143,840.22 is: 5,718,721.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,407,220.12 : 10,222,360.83 = 4,143,840.22 : x
  2. Step 2: Convert to fraction form
    7,407,220.12/10,222,360.83 = 4,143,840.22/x
  3. Step 3: Cross multiply
    7,407,220.12x = 10,222,360.83 × 4,143,840.22
  4. Step 4: Simplify right side
    7,407,220.12x = 42,359,829,950,706.59
  5. Step 5: Solve for x
    x = 42,359,829,950,706.59/7,407,220.12
  6. Step 6: Final answer
    x = 5,718,721.63

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Double scale
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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.