Home / 12,047,381.10-16,611,339.06-8,986,280.94

Finding the Fourth Proportional to 12,047,381.10, 16,611,339.06 and 8,986,280.94

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Solution

The fourth proportional to 12,047,381.10, 16,611,339.06 and 8,986,280.94 is: 12,390,589.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,047,381.10 : 16,611,339.06 = 8,986,280.94 : x
  2. Step 2: Convert to fraction form
    12,047,381.10/16,611,339.06 = 8,986,280.94/x
  3. Step 3: Cross multiply
    12,047,381.10x = 16,611,339.06 × 8,986,280.94
  4. Step 4: Simplify right side
    12,047,381.10x = 149,274,159,582,755.50
  5. Step 5: Solve for x
    x = 149,274,159,582,755.50/12,047,381.10
  6. Step 6: Final answer
    x = 12,390,589.98

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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.