Home / 15,283,102.68-21,090,856.74-8,756,601.36

Finding the Fourth Proportional to 15,283,102.68, 21,090,856.74 and 8,756,601.36

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Solution

The fourth proportional to 15,283,102.68, 21,090,856.74 and 8,756,601.36 is: 12,084,210.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,283,102.68 : 21,090,856.74 = 8,756,601.36 : x
  2. Step 2: Convert to fraction form
    15,283,102.68/21,090,856.74 = 8,756,601.36/x
  3. Step 3: Cross multiply
    15,283,102.68x = 21,090,856.74 × 8,756,601.36
  4. Step 4: Simplify right side
    15,283,102.68x = 184,684,224,813,049.12
  5. Step 5: Solve for x
    x = 184,684,224,813,049.12/15,283,102.68
  6. Step 6: Final answer
    x = 12,084,210.17

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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.