Home / 15,539,141.16-23,238,747.72-13,820,116.32

Finding the Fourth Proportional to 15,539,141.16, 23,238,747.72 and 13,820,116.32

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Solution

The fourth proportional to 15,539,141.16, 23,238,747.72 and 13,820,116.32 is: 20,667,950.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,539,141.16 : 23,238,747.72 = 13,820,116.32 : x
  2. Step 2: Convert to fraction form
    15,539,141.16/23,238,747.72 = 13,820,116.32/x
  3. Step 3: Cross multiply
    15,539,141.16x = 23,238,747.72 × 13,820,116.32
  4. Step 4: Simplify right side
    15,539,141.16x = 321,162,196,621,534.75
  5. Step 5: Solve for x
    x = 321,162,196,621,534.75/15,539,141.16
  6. Step 6: Final answer
    x = 20,667,950.26

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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.