Home / 20,967,595.64-31,440,870.77-12,216,702.24

Finding the Fourth Proportional to 20,967,595.64, 31,440,870.77 and 12,216,702.24

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Solution

The fourth proportional to 20,967,595.64, 31,440,870.77 and 12,216,702.24 is: 18,318,922.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,967,595.64 : 31,440,870.77 = 12,216,702.24 : x
  2. Step 2: Convert to fraction form
    20,967,595.64/31,440,870.77 = 12,216,702.24/x
  3. Step 3: Cross multiply
    20,967,595.64x = 31,440,870.77 × 12,216,702.24
  4. Step 4: Simplify right side
    20,967,595.64x = 384,103,756,302,326
  5. Step 5: Solve for x
    x = 384,103,756,302,326/20,967,595.64
  6. Step 6: Final answer
    x = 18,318,922.35

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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.