Home / 9,877,816.40-14,795,729.40-8,198,200.40

Finding the Fourth Proportional to 9,877,816.40, 14,795,729.40 and 8,198,200.40

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Solution

The fourth proportional to 9,877,816.40, 14,795,729.40 and 8,198,200.40 is: 12,279,875.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,877,816.40 : 14,795,729.40 = 8,198,200.40 : x
  2. Step 2: Convert to fraction form
    9,877,816.40/14,795,729.40 = 8,198,200.40/x
  3. Step 3: Cross multiply
    9,877,816.40x = 14,795,729.40 × 8,198,200.40
  4. Step 4: Simplify right side
    9,877,816.40x = 121,298,354,685,371.77
  5. Step 5: Solve for x
    x = 121,298,354,685,371.77/9,877,816.40
  6. Step 6: Final answer
    x = 12,279,875.41

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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.