Home / 15,580,953.86-21,502,828.98-8,611,481.48

Finding the Fourth Proportional to 15,580,953.86, 21,502,828.98 and 8,611,481.48

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Solution

The fourth proportional to 15,580,953.86, 21,502,828.98 and 8,611,481.48 is: 11,884,459.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,580,953.86 : 21,502,828.98 = 8,611,481.48 : x
  2. Step 2: Convert to fraction form
    15,580,953.86/21,502,828.98 = 8,611,481.48/x
  3. Step 3: Cross multiply
    15,580,953.86x = 21,502,828.98 × 8,611,481.48
  4. Step 4: Simplify right side
    15,580,953.86x = 185,171,213,528,877.31
  5. Step 5: Solve for x
    x = 185,171,213,528,877.31/15,580,953.86
  6. Step 6: Final answer
    x = 11,884,459.40

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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.