Home / 10,278,673.92-14,184,092.16-5,632,431.36

Finding the Fourth Proportional to 10,278,673.92, 14,184,092.16 and 5,632,431.36

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Solution

The fourth proportional to 10,278,673.92, 14,184,092.16 and 5,632,431.36 is: 7,772,493.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,278,673.92 : 14,184,092.16 = 5,632,431.36 : x
  2. Step 2: Convert to fraction form
    10,278,673.92/14,184,092.16 = 5,632,431.36/x
  3. Step 3: Cross multiply
    10,278,673.92x = 14,184,092.16 × 5,632,431.36
  4. Step 4: Simplify right side
    10,278,673.92x = 79,890,925,495,114.14
  5. Step 5: Solve for x
    x = 79,890,925,495,114.14/10,278,673.92
  6. Step 6: Final answer
    x = 7,772,493.43

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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.