Home / 7,620,581.70-10,516,365.81-4,182,881.22

Finding the Fourth Proportional to 7,620,581.70, 10,516,365.81 and 4,182,881.22

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Solution

The fourth proportional to 7,620,581.70, 10,516,365.81 and 4,182,881.22 is: 5,772,355.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,620,581.70 : 10,516,365.81 = 4,182,881.22 : x
  2. Step 2: Convert to fraction form
    7,620,581.70/10,516,365.81 = 4,182,881.22/x
  3. Step 3: Cross multiply
    7,620,581.70x = 10,516,365.81 × 4,182,881.22
  4. Step 4: Simplify right side
    7,620,581.70x = 43,988,709,049,299.09
  5. Step 5: Solve for x
    x = 43,988,709,049,299.09/7,620,581.70
  6. Step 6: Final answer
    x = 5,772,355.81

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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.