Home / 15,568,482.89-21,484,505.57-8,407,693.87

Finding the Fourth Proportional to 15,568,482.89, 21,484,505.57 and 8,407,693.87

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Solution

The fourth proportional to 15,568,482.89, 21,484,505.57 and 8,407,693.87 is: 11,602,617.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,568,482.89 : 21,484,505.57 = 8,407,693.87 : x
  2. Step 2: Convert to fraction form
    15,568,482.89/21,484,505.57 = 8,407,693.87/x
  3. Step 3: Cross multiply
    15,568,482.89x = 21,484,505.57 × 8,407,693.87
  4. Step 4: Simplify right side
    15,568,482.89x = 180,635,145,685,120.12
  5. Step 5: Solve for x
    x = 180,635,145,685,120.12/15,568,482.89
  6. Step 6: Final answer
    x = 11,602,617.09

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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.