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Finding the Fourth Proportional to 8,927,957.81, 13,393,660.39 and 3,810,313.01

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Solution

The fourth proportional to 8,927,957.81, 13,393,660.39 and 3,810,313.01 is: 5,716,205.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,927,957.81 : 13,393,660.39 = 3,810,313.01 : x
  2. Step 2: Convert to fraction form
    8,927,957.81/13,393,660.39 = 3,810,313.01/x
  3. Step 3: Cross multiply
    8,927,957.81x = 13,393,660.39 × 3,810,313.01
  4. Step 4: Simplify right side
    8,927,957.81x = 51,034,038,359,044.59
  5. Step 5: Solve for x
    x = 51,034,038,359,044.59/8,927,957.81
  6. Step 6: Final answer
    x = 5,716,205.15

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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.