Home / 12,611,701.80-18,917,552.70-7,572,853.80

Finding the Fourth Proportional to 12,611,701.80, 18,917,552.70 and 7,572,853.80

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Solution

The fourth proportional to 12,611,701.80, 18,917,552.70 and 7,572,853.80 is: 11,359,280.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,611,701.80 : 18,917,552.70 = 7,572,853.80 : x
  2. Step 2: Convert to fraction form
    12,611,701.80/18,917,552.70 = 7,572,853.80/x
  3. Step 3: Cross multiply
    12,611,701.80x = 18,917,552.70 × 7,572,853.80
  4. Step 4: Simplify right side
    12,611,701.80x = 143,259,860,850,895.25
  5. Step 5: Solve for x
    x = 143,259,860,850,895.25/12,611,701.80
  6. Step 6: Final answer
    x = 11,359,280.70

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1.5x scale

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.