Home / 12,992,030.73-19,479,188.70-6,589,938.15

Finding the Fourth Proportional to 12,992,030.73, 19,479,188.70 and 6,589,938.15

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Solution

The fourth proportional to 12,992,030.73, 19,479,188.70 and 6,589,938.15 is: 9,880,414.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,992,030.73 : 19,479,188.70 = 6,589,938.15 : x
  2. Step 2: Convert to fraction form
    12,992,030.73/19,479,188.70 = 6,589,938.15/x
  3. Step 3: Cross multiply
    12,992,030.73x = 19,479,188.70 × 6,589,938.15
  4. Step 4: Simplify right side
    12,992,030.73x = 128,366,648,745,178.91
  5. Step 5: Solve for x
    x = 128,366,648,745,178.91/12,992,030.73
  6. Step 6: Final answer
    x = 9,880,414.50

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1.5x scale

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.