Home / 12,992,023.98-19,479,178.62-6,589,931.40

Finding the Fourth Proportional to 12,992,023.98, 19,479,178.62 and 6,589,931.40

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Solution

The fourth proportional to 12,992,023.98, 19,479,178.62 and 6,589,931.40 is: 9,880,404.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,992,023.98 : 19,479,178.62 = 6,589,931.40 : x
  2. Step 2: Convert to fraction form
    12,992,023.98/19,479,178.62 = 6,589,931.40/x
  3. Step 3: Cross multiply
    12,992,023.98x = 19,479,178.62 × 6,589,931.40
  4. Step 4: Simplify right side
    12,992,023.98x = 128,366,450,834,146.69
  5. Step 5: Solve for x
    x = 128,366,450,834,146.69/12,992,023.98
  6. Step 6: Final answer
    x = 9,880,404.40

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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.