Home / 13,869,749.07-19,141,694.42-7,989,586.47

Finding the Fourth Proportional to 13,869,749.07, 19,141,694.42 and 7,989,586.47

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Solution

The fourth proportional to 13,869,749.07, 19,141,694.42 and 7,989,586.47 is: 11,026,459.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,869,749.07 : 19,141,694.42 = 7,989,586.47 : x
  2. Step 2: Convert to fraction form
    13,869,749.07/19,141,694.42 = 7,989,586.47/x
  3. Step 3: Cross multiply
    13,869,749.07x = 19,141,694.42 × 7,989,586.47
  4. Step 4: Simplify right side
    13,869,749.07x = 152,934,222,750,906.50
  5. Step 5: Solve for x
    x = 152,934,222,750,906.50/13,869,749.07
  6. Step 6: Final answer
    x = 11,026,459.24

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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.