Home / 12,413,560.39-17,130,444.70-7,186,788.94

Finding the Fourth Proportional to 12,413,560.39, 17,130,444.70 and 7,186,788.94

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Solution

The fourth proportional to 12,413,560.39, 17,130,444.70 and 7,186,788.94 is: 9,917,613.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,413,560.39 : 17,130,444.70 = 7,186,788.94 : x
  2. Step 2: Convert to fraction form
    12,413,560.39/17,130,444.70 = 7,186,788.94/x
  3. Step 3: Cross multiply
    12,413,560.39x = 17,130,444.70 × 7,186,788.94
  4. Step 4: Simplify right side
    12,413,560.39x = 123,112,890,507,241.62
  5. Step 5: Solve for x
    x = 123,112,890,507,241.62/12,413,560.39
  6. Step 6: Final answer
    x = 9,917,613.21

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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.