Home / 7,253,427.78-10,009,414.08-3,990,035.52

Finding the Fourth Proportional to 7,253,427.78, 10,009,414.08 and 3,990,035.52

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Solution

The fourth proportional to 7,253,427.78, 10,009,414.08 and 3,990,035.52 is: 5,506,075.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,253,427.78 : 10,009,414.08 = 3,990,035.52 : x
  2. Step 2: Convert to fraction form
    7,253,427.78/10,009,414.08 = 3,990,035.52/x
  3. Step 3: Cross multiply
    7,253,427.78x = 10,009,414.08 × 3,990,035.52
  4. Step 4: Simplify right side
    7,253,427.78x = 39,937,917,713,588.12
  5. Step 5: Solve for x
    x = 39,937,917,713,588.12/7,253,427.78
  6. Step 6: Final answer
    x = 5,506,075.05

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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.