Home / 13,886,445.04-20,814,970.68-6,318,725.20

Finding the Fourth Proportional to 13,886,445.04, 20,814,970.68 and 6,318,725.20

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Solution

The fourth proportional to 13,886,445.04, 20,814,970.68 and 6,318,725.20 is: 9,471,400.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,886,445.04 : 20,814,970.68 = 6,318,725.20 : x
  2. Step 2: Convert to fraction form
    13,886,445.04/20,814,970.68 = 6,318,725.20/x
  3. Step 3: Cross multiply
    13,886,445.04x = 20,814,970.68 × 6,318,725.20
  4. Step 4: Simplify right side
    13,886,445.04x = 131,524,079,772,977.14
  5. Step 5: Solve for x
    x = 131,524,079,772,977.14/13,886,445.04
  6. Step 6: Final answer
    x = 9,471,400.30

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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.