Home / 12,098,690.61-16,692,611.28-7,199,985.57

Finding the Fourth Proportional to 12,098,690.61, 16,692,611.28 and 7,199,985.57

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Solution

The fourth proportional to 12,098,690.61, 16,692,611.28 and 7,199,985.57 is: 9,933,848.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,098,690.61 : 16,692,611.28 = 7,199,985.57 : x
  2. Step 2: Convert to fraction form
    12,098,690.61/16,692,611.28 = 7,199,985.57/x
  3. Step 3: Cross multiply
    12,098,690.61x = 16,692,611.28 × 7,199,985.57
  4. Step 4: Simplify right side
    12,098,690.61x = 120,186,560,341,619.23
  5. Step 5: Solve for x
    x = 120,186,560,341,619.23/12,098,690.61
  6. Step 6: Final answer
    x = 9,933,848.56

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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.