Home / 40,535,472.78-55,942,953.23-23,134,421.39

Finding the Fourth Proportional to 40,535,472.78, 55,942,953.23 and 23,134,421.39

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Solution

The fourth proportional to 40,535,472.78, 55,942,953.23 and 23,134,421.39 is: 31,927,784.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    40,535,472.78 : 55,942,953.23 = 23,134,421.39 : x
  2. Step 2: Convert to fraction form
    40,535,472.78/55,942,953.23 = 23,134,421.39/x
  3. Step 3: Cross multiply
    40,535,472.78x = 55,942,953.23 × 23,134,421.39
  4. Step 4: Simplify right side
    40,535,472.78x = 1,294,207,853,602,003
  5. Step 5: Solve for x
    x = 1,294,207,853,602,003/40,535,472.78
  6. Step 6: Final answer
    x = 31,927,784.85

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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.