Home / 8,705,534.91-12,009,911.63-5,436,674.61

Finding the Fourth Proportional to 8,705,534.91, 12,009,911.63 and 5,436,674.61

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Solution

The fourth proportional to 8,705,534.91, 12,009,911.63 and 5,436,674.61 is: 7,500,283.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,705,534.91 : 12,009,911.63 = 5,436,674.61 : x
  2. Step 2: Convert to fraction form
    8,705,534.91/12,009,911.63 = 5,436,674.61/x
  3. Step 3: Cross multiply
    8,705,534.91x = 12,009,911.63 × 5,436,674.61
  4. Step 4: Simplify right side
    8,705,534.91x = 65,293,981,599,981.34
  5. Step 5: Solve for x
    x = 65,293,981,599,981.34/8,705,534.91
  6. Step 6: Final answer
    x = 7,500,283.70

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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.