Home / 9,040,431.51-12,472,279.44-5,119,287.51

Finding the Fourth Proportional to 9,040,431.51, 12,472,279.44 and 5,119,287.51

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Solution

The fourth proportional to 9,040,431.51, 12,472,279.44 and 5,119,287.51 is: 7,062,625.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,040,431.51 : 12,472,279.44 = 5,119,287.51 : x
  2. Step 2: Convert to fraction form
    9,040,431.51/12,472,279.44 = 5,119,287.51/x
  3. Step 3: Cross multiply
    9,040,431.51x = 12,472,279.44 × 5,119,287.51
  4. Step 4: Simplify right side
    9,040,431.51x = 63,849,184,358,421.79
  5. Step 5: Solve for x
    x = 63,849,184,358,421.79/9,040,431.51
  6. Step 6: Final answer
    x = 7,062,625.75

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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.