Home / 21,291,560.51-31,940,423.55-6,713,531.91

Finding the Fourth Proportional to 21,291,560.51, 31,940,423.55 and 6,713,531.91

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Solution

The fourth proportional to 21,291,560.51, 31,940,423.55 and 6,713,531.91 is: 10,071,269.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,291,560.51 : 31,940,423.55 = 6,713,531.91 : x
  2. Step 2: Convert to fraction form
    21,291,560.51/31,940,423.55 = 6,713,531.91/x
  3. Step 3: Cross multiply
    21,291,560.51x = 31,940,423.55 × 6,713,531.91
  4. Step 4: Simplify right side
    21,291,560.51x = 214,433,052,721,840.50
  5. Step 5: Solve for x
    x = 214,433,052,721,840.50/21,291,560.51
  6. Step 6: Final answer
    x = 10,071,269.91

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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.