Home / 13,748,257.64-18,972,896.42-7,553,384.20

Finding the Fourth Proportional to 13,748,257.64, 18,972,896.42 and 7,553,384.20

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Solution

The fourth proportional to 13,748,257.64, 18,972,896.42 and 7,553,384.20 is: 10,423,835.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,748,257.64 : 18,972,896.42 = 7,553,384.20 : x
  2. Step 2: Convert to fraction form
    13,748,257.64/18,972,896.42 = 7,553,384.20/x
  3. Step 3: Cross multiply
    13,748,257.64x = 18,972,896.42 × 7,553,384.20
  4. Step 4: Simplify right side
    13,748,257.64x = 143,309,576,047,064.59
  5. Step 5: Solve for x
    x = 143,309,576,047,064.59/13,748,257.64
  6. Step 6: Final answer
    x = 10,423,835.50

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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.