Home / 31,818,921.32-47,708,849.06-12,365,433

Finding the Fourth Proportional to 31,818,921.32, 47,708,849.06 and 12,365,433

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Solution

The fourth proportional to 31,818,921.32, 47,708,849.06 and 12,365,433 is: 18,540,558.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,818,921.32 : 47,708,849.06 = 12,365,433 : x
  2. Step 2: Convert to fraction form
    31,818,921.32/47,708,849.06 = 12,365,433/x
  3. Step 3: Cross multiply
    31,818,921.32x = 47,708,849.06 × 12,365,433
  4. Step 4: Simplify right side
    31,818,921.32x = 589,940,576,558,543
  5. Step 5: Solve for x
    x = 589,940,576,558,543/31,818,921.32
  6. Step 6: Final answer
    x = 18,540,558.64

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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.