Home / 8,903,970.40-13,355,955.60-7,947,376.60

Finding the Fourth Proportional to 8,903,970.40, 13,355,955.60 and 7,947,376.60

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Solution

The fourth proportional to 8,903,970.40, 13,355,955.60 and 7,947,376.60 is: 11,921,064.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,903,970.40 : 13,355,955.60 = 7,947,376.60 : x
  2. Step 2: Convert to fraction form
    8,903,970.40/13,355,955.60 = 7,947,376.60/x
  3. Step 3: Cross multiply
    8,903,970.40x = 13,355,955.60 × 7,947,376.60
  4. Step 4: Simplify right side
    8,903,970.40x = 106,144,809,006,078.95
  5. Step 5: Solve for x
    x = 106,144,809,006,078.95/8,903,970.40
  6. Step 6: Final answer
    x = 11,921,064.90

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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.