Home / 14,961,154.32-20,646,487.44-8,085,620.16

Finding the Fourth Proportional to 14,961,154.32, 20,646,487.44 and 8,085,620.16

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Solution

The fourth proportional to 14,961,154.32, 20,646,487.44 and 8,085,620.16 is: 11,158,206.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,961,154.32 : 20,646,487.44 = 8,085,620.16 : x
  2. Step 2: Convert to fraction form
    14,961,154.32/20,646,487.44 = 8,085,620.16/x
  3. Step 3: Cross multiply
    14,961,154.32x = 20,646,487.44 × 8,085,620.16
  4. Step 4: Simplify right side
    14,961,154.32x = 166,939,655,078,050.81
  5. Step 5: Solve for x
    x = 166,939,655,078,050.81/14,961,154.32
  6. Step 6: Final answer
    x = 11,158,206.88

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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.