Home / 21,482,434.51-32,222,777.87-5,307,978.47

Finding the Fourth Proportional to 21,482,434.51, 32,222,777.87 and 5,307,978.47

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Solution

The fourth proportional to 21,482,434.51, 32,222,777.87 and 5,307,978.47 is: 7,961,751.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,482,434.51 : 32,222,777.87 = 5,307,978.47 : x
  2. Step 2: Convert to fraction form
    21,482,434.51/32,222,777.87 = 5,307,978.47/x
  3. Step 3: Cross multiply
    21,482,434.51x = 32,222,777.87 × 5,307,978.47
  4. Step 4: Simplify right side
    21,482,434.51x = 171,037,811,029,708.50
  5. Step 5: Solve for x
    x = 171,037,811,029,708.50/21,482,434.51
  6. Step 6: Final answer
    x = 7,961,751.77

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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.