Home / 8,619,061.75-12,896,657.34-6,908,015.47

Finding the Fourth Proportional to 8,619,061.75, 12,896,657.34 and 6,908,015.47

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Solution

The fourth proportional to 8,619,061.75, 12,896,657.34 and 6,908,015.47 is: 10,336,427.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,619,061.75 : 12,896,657.34 = 6,908,015.47 : x
  2. Step 2: Convert to fraction form
    8,619,061.75/12,896,657.34 = 6,908,015.47/x
  3. Step 3: Cross multiply
    8,619,061.75x = 12,896,657.34 × 6,908,015.47
  4. Step 4: Simplify right side
    8,619,061.75x = 89,090,308,416,009.05
  5. Step 5: Solve for x
    x = 89,090,308,416,009.05/8,619,061.75
  6. Step 6: Final answer
    x = 10,336,427.68

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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.