Home / 15,551,374.89-21,461,333.46-8,582,491.86

Finding the Fourth Proportional to 15,551,374.89, 21,461,333.46 and 8,582,491.86

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Solution

The fourth proportional to 15,551,374.89, 21,461,333.46 and 8,582,491.86 is: 11,844,079.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,551,374.89 : 21,461,333.46 = 8,582,491.86 : x
  2. Step 2: Convert to fraction form
    15,551,374.89/21,461,333.46 = 8,582,491.86/x
  3. Step 3: Cross multiply
    15,551,374.89x = 21,461,333.46 × 8,582,491.86
  4. Step 4: Simplify right side
    15,551,374.89x = 184,191,719,725,195.62
  5. Step 5: Solve for x
    x = 184,191,719,725,195.62/15,551,374.89
  6. Step 6: Final answer
    x = 11,844,079.45

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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.