Home / 12,992,062.98-19,479,237.12-6,589,970.40

Finding the Fourth Proportional to 12,992,062.98, 19,479,237.12 and 6,589,970.40

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Solution

The fourth proportional to 12,992,062.98, 19,479,237.12 and 6,589,970.40 is: 9,880,462.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,992,062.98 : 19,479,237.12 = 6,589,970.40 : x
  2. Step 2: Convert to fraction form
    12,992,062.98/19,479,237.12 = 6,589,970.40/x
  3. Step 3: Cross multiply
    12,992,062.98x = 19,479,237.12 × 6,589,970.40
  4. Step 4: Simplify right side
    12,992,062.98x = 128,367,596,035,381.27
  5. Step 5: Solve for x
    x = 128,367,596,035,381.27/12,992,062.98
  6. Step 6: Final answer
    x = 9,880,462.88

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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.