Home / 9,259,112.13-12,777,436.32-5,129,130.93

Finding the Fourth Proportional to 9,259,112.13, 12,777,436.32 and 5,129,130.93

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Solution

The fourth proportional to 9,259,112.13, 12,777,436.32 and 5,129,130.93 is: 7,078,124.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,259,112.13 : 12,777,436.32 = 5,129,130.93 : x
  2. Step 2: Convert to fraction form
    9,259,112.13/12,777,436.32 = 5,129,130.93/x
  3. Step 3: Cross multiply
    9,259,112.13x = 12,777,436.32 × 5,129,130.93
  4. Step 4: Simplify right side
    9,259,112.13x = 65,537,143,835,017.38
  5. Step 5: Solve for x
    x = 65,537,143,835,017.38/9,259,112.13
  6. Step 6: Final answer
    x = 7,078,124.01

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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.