Home / 42,815,162.44-64,223,268.54-12,523,637.80

Finding the Fourth Proportional to 42,815,162.44, 64,223,268.54 and 12,523,637.80

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Solution

The fourth proportional to 42,815,162.44, 64,223,268.54 and 12,523,637.80 is: 18,785,610.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    42,815,162.44 : 64,223,268.54 = 12,523,637.80 : x
  2. Step 2: Convert to fraction form
    42,815,162.44/64,223,268.54 = 12,523,637.80/x
  3. Step 3: Cross multiply
    42,815,162.44x = 64,223,268.54 × 12,523,637.80
  4. Step 4: Simplify right side
    42,815,162.44x = 804,308,953,527,094.88
  5. Step 5: Solve for x
    x = 804,308,953,527,094.88/42,815,162.44
  6. Step 6: Final answer
    x = 18,785,610.23

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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.