Home / 21,011,851.44-31,518,743.76-6,437,727.36

Finding the Fourth Proportional to 21,011,851.44, 31,518,743.76 and 6,437,727.36

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Solution

The fourth proportional to 21,011,851.44, 31,518,743.76 and 6,437,727.36 is: 9,656,887.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,011,851.44 : 31,518,743.76 = 6,437,727.36 : x
  2. Step 2: Convert to fraction form
    21,011,851.44/31,518,743.76 = 6,437,727.36/x
  3. Step 3: Cross multiply
    21,011,851.44x = 31,518,743.76 × 6,437,727.36
  4. Step 4: Simplify right side
    21,011,851.44x = 202,909,079,056,581.28
  5. Step 5: Solve for x
    x = 202,909,079,056,581.28/21,011,851.44
  6. Step 6: Final answer
    x = 9,656,887.19

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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.