Home / 55,947,127.12-83,934,128.86-21,402,963.96

Finding the Fourth Proportional to 55,947,127.12, 83,934,128.86 and 21,402,963.96

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Solution

The fourth proportional to 55,947,127.12, 83,934,128.86 and 21,402,963.96 is: 32,109,586.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    55,947,127.12 : 83,934,128.86 = 21,402,963.96 : x
  2. Step 2: Convert to fraction form
    55,947,127.12/83,934,128.86 = 21,402,963.96/x
  3. Step 3: Cross multiply
    55,947,127.12x = 83,934,128.86 × 21,402,963.96
  4. Step 4: Simplify right side
    55,947,127.12x = 1,796,439,135,004,576
  5. Step 5: Solve for x
    x = 1,796,439,135,004,576/55,947,127.12
  6. Step 6: Final answer
    x = 32,109,586.81

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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.