Home / 12,133,091.30-18,199,636.95-9,422,742.20

Finding the Fourth Proportional to 12,133,091.30, 18,199,636.95 and 9,422,742.20

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Solution

The fourth proportional to 12,133,091.30, 18,199,636.95 and 9,422,742.20 is: 14,134,113.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,133,091.30 : 18,199,636.95 = 9,422,742.20 : x
  2. Step 2: Convert to fraction form
    12,133,091.30/18,199,636.95 = 9,422,742.20/x
  3. Step 3: Cross multiply
    12,133,091.30x = 18,199,636.95 × 9,422,742.20
  4. Step 4: Simplify right side
    12,133,091.30x = 171,490,487,113,444.28
  5. Step 5: Solve for x
    x = 171,490,487,113,444.28/12,133,091.30
  6. Step 6: Final answer
    x = 14,134,113.30

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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.