Home / 13,781,247.15-19,018,362.93-7,501,955.04

Finding the Fourth Proportional to 13,781,247.15, 19,018,362.93 and 7,501,955.04

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Solution

The fourth proportional to 13,781,247.15, 19,018,362.93 and 7,501,955.04 is: 10,352,829.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,781,247.15 : 19,018,362.93 = 7,501,955.04 : x
  2. Step 2: Convert to fraction form
    13,781,247.15/19,018,362.93 = 7,501,955.04/x
  3. Step 3: Cross multiply
    13,781,247.15x = 19,018,362.93 × 7,501,955.04
  4. Step 4: Simplify right side
    13,781,247.15x = 142,674,903,635,262.66
  5. Step 5: Solve for x
    x = 142,674,903,635,262.66/13,781,247.15
  6. Step 6: Final answer
    x = 10,352,829.62

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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.