Home / 8,612,713.07-11,885,758.05-5,303,754.72

Finding the Fourth Proportional to 8,612,713.07, 11,885,758.05 and 5,303,754.72

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Solution

The fourth proportional to 8,612,713.07, 11,885,758.05 and 5,303,754.72 is: 7,319,313.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,612,713.07 : 11,885,758.05 = 5,303,754.72 : x
  2. Step 2: Convert to fraction form
    8,612,713.07/11,885,758.05 = 5,303,754.72/x
  3. Step 3: Cross multiply
    8,612,713.07x = 11,885,758.05 × 5,303,754.72
  4. Step 4: Simplify right side
    8,612,713.07x = 63,039,145,358,465.50
  5. Step 5: Solve for x
    x = 63,039,145,358,465.50/8,612,713.07
  6. Step 6: Final answer
    x = 7,319,313.31

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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.