Home / 8,905,951.32-12,289,835.70-5,038,538.28

Finding the Fourth Proportional to 8,905,951.32, 12,289,835.70 and 5,038,538.28

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Solution

The fourth proportional to 8,905,951.32, 12,289,835.70 and 5,038,538.28 is: 6,952,969.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,905,951.32 : 12,289,835.70 = 5,038,538.28 : x
  2. Step 2: Convert to fraction form
    8,905,951.32/12,289,835.70 = 5,038,538.28/x
  3. Step 3: Cross multiply
    8,905,951.32x = 12,289,835.70 × 5,038,538.28
  4. Step 4: Simplify right side
    8,905,951.32x = 61,922,807,629,360.59
  5. Step 5: Solve for x
    x = 61,922,807,629,360.59/8,905,951.32
  6. Step 6: Final answer
    x = 6,952,969.47

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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.