Home / 9,191,534.46-13,789,128.52-3,124,637.28

Finding the Fourth Proportional to 9,191,534.46, 13,789,128.52 and 3,124,637.28

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Solution

The fourth proportional to 9,191,534.46, 13,789,128.52 and 3,124,637.28 is: 4,687,576.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,191,534.46 : 13,789,128.52 = 3,124,637.28 : x
  2. Step 2: Convert to fraction form
    9,191,534.46/13,789,128.52 = 3,124,637.28/x
  3. Step 3: Cross multiply
    9,191,534.46x = 13,789,128.52 × 3,124,637.28
  4. Step 4: Simplify right side
    9,191,534.46x = 43,086,025,032,303.22
  5. Step 5: Solve for x
    x = 43,086,025,032,303.22/9,191,534.46
  6. Step 6: Final answer
    x = 4,687,576.95

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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.