Home / 21,282,506.06-31,923,759.50-5,108,457.32

Finding the Fourth Proportional to 21,282,506.06, 31,923,759.50 and 5,108,457.32

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Solution

The fourth proportional to 21,282,506.06, 31,923,759.50 and 5,108,457.32 is: 7,662,686.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,282,506.06 : 31,923,759.50 = 5,108,457.32 : x
  2. Step 2: Convert to fraction form
    21,282,506.06/31,923,759.50 = 5,108,457.32/x
  3. Step 3: Cross multiply
    21,282,506.06x = 31,923,759.50 × 5,108,457.32
  4. Step 4: Simplify right side
    21,282,506.06x = 163,081,162,853,404.25
  5. Step 5: Solve for x
    x = 163,081,162,853,404.25/21,282,506.06
  6. Step 6: Final answer
    x = 7,662,686.08

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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.