Home / 15,571,877.91-21,486,074.90-8,695,301.91

Finding the Fourth Proportional to 15,571,877.91, 21,486,074.90 and 8,695,301.91

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Solution

The fourth proportional to 15,571,877.91, 21,486,074.90 and 8,695,301.91 is: 11,997,776.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,571,877.91 : 21,486,074.90 = 8,695,301.91 : x
  2. Step 2: Convert to fraction form
    15,571,877.91/21,486,074.90 = 8,695,301.91/x
  3. Step 3: Cross multiply
    15,571,877.91x = 21,486,074.90 × 8,695,301.91
  4. Step 4: Simplify right side
    15,571,877.91x = 186,827,908,072,896.56
  5. Step 5: Solve for x
    x = 186,827,908,072,896.56/15,571,877.91
  6. Step 6: Final answer
    x = 11,997,776.32

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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.