Home / 12,124,206.30-18,194,341.74-6,663,114.89

Finding the Fourth Proportional to 12,124,206.30, 18,194,341.74 and 6,663,114.89

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Solution

The fourth proportional to 12,124,206.30, 18,194,341.74 and 6,663,114.89 is: 9,999,086.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,124,206.30 : 18,194,341.74 = 6,663,114.89 : x
  2. Step 2: Convert to fraction form
    12,124,206.30/18,194,341.74 = 6,663,114.89/x
  3. Step 3: Cross multiply
    12,124,206.30x = 18,194,341.74 × 6,663,114.89
  4. Step 4: Simplify right side
    12,124,206.30x = 121,230,989,407,028.36
  5. Step 5: Solve for x
    x = 121,230,989,407,028.36/12,124,206.30
  6. Step 6: Final answer
    x = 9,999,086.65

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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.