Home / 7,707,529.89-11,563,875.80-2,520,378.64

Finding the Fourth Proportional to 7,707,529.89, 11,563,875.80 and 2,520,378.64

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Solution

The fourth proportional to 7,707,529.89, 11,563,875.80 and 2,520,378.64 is: 3,781,411.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,707,529.89 : 11,563,875.80 = 2,520,378.64 : x
  2. Step 2: Convert to fraction form
    7,707,529.89/11,563,875.80 = 2,520,378.64/x
  3. Step 3: Cross multiply
    7,707,529.89x = 11,563,875.80 × 2,520,378.64
  4. Step 4: Simplify right side
    7,707,529.89x = 29,145,345,508,190.48
  5. Step 5: Solve for x
    x = 29,145,345,508,190.48/7,707,529.89
  6. Step 6: Final answer
    x = 3,781,411.93

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.