Home / 12,909,314.82-19,350,686.19-5,724,232.50

Finding the Fourth Proportional to 12,909,314.82, 19,350,686.19 and 5,724,232.50

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Solution

The fourth proportional to 12,909,314.82, 19,350,686.19 and 5,724,232.50 is: 8,580,457.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,909,314.82 : 19,350,686.19 = 5,724,232.50 : x
  2. Step 2: Convert to fraction form
    12,909,314.82/19,350,686.19 = 5,724,232.50/x
  3. Step 3: Cross multiply
    12,909,314.82x = 19,350,686.19 × 5,724,232.50
  4. Step 4: Simplify right side
    12,909,314.82x = 110,767,826,786,099.19
  5. Step 5: Solve for x
    x = 110,767,826,786,099.19/12,909,314.82
  6. Step 6: Final answer
    x = 8,580,457.47

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.