Home / 12,069,263.70-18,103,895.55-7,274,484.90

Finding the Fourth Proportional to 12,069,263.70, 18,103,895.55 and 7,274,484.90

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Solution

The fourth proportional to 12,069,263.70, 18,103,895.55 and 7,274,484.90 is: 10,911,727.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,069,263.70 : 18,103,895.55 = 7,274,484.90 : x
  2. Step 2: Convert to fraction form
    12,069,263.70/18,103,895.55 = 7,274,484.90/x
  3. Step 3: Cross multiply
    12,069,263.70x = 18,103,895.55 × 7,274,484.90
  4. Step 4: Simplify right side
    12,069,263.70x = 131,696,514,809,652.20
  5. Step 5: Solve for x
    x = 131,696,514,809,652.20/12,069,263.70
  6. Step 6: Final answer
    x = 10,911,727.35

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Similar ratio
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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.