Home / 10,072,674.64-13,899,625.95-5,663,080

Finding the Fourth Proportional to 10,072,674.64, 13,899,625.95 and 5,663,080

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Solution

The fourth proportional to 10,072,674.64, 13,899,625.95 and 5,663,080 is: 7,814,676.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,072,674.64 : 13,899,625.95 = 5,663,080 : x
  2. Step 2: Convert to fraction form
    10,072,674.64/13,899,625.95 = 5,663,080/x
  3. Step 3: Cross multiply
    10,072,674.64x = 13,899,625.95 × 5,663,080
  4. Step 4: Simplify right side
    10,072,674.64x = 78,714,693,724,926
  5. Step 5: Solve for x
    x = 78,714,693,724,926/10,072,674.64
  6. Step 6: Final answer
    x = 7,814,676.49

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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.