Home / 13,927,257.53-19,218,865.14-7,731,905.22

Finding the Fourth Proportional to 13,927,257.53, 19,218,865.14 and 7,731,905.22

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Solution

The fourth proportional to 13,927,257.53, 19,218,865.14 and 7,731,905.22 is: 10,669,612.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,927,257.53 : 19,218,865.14 = 7,731,905.22 : x
  2. Step 2: Convert to fraction form
    13,927,257.53/19,218,865.14 = 7,731,905.22/x
  3. Step 3: Cross multiply
    13,927,257.53x = 19,218,865.14 × 7,731,905.22
  4. Step 4: Simplify right side
    13,927,257.53x = 148,598,443,698,442.03
  5. Step 5: Solve for x
    x = 148,598,443,698,442.03/13,927,257.53
  6. Step 6: Final answer
    x = 10,669,612.70

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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.