Home / 11,264,007.20-16,896,010.80-7,680,826.40

Finding the Fourth Proportional to 11,264,007.20, 16,896,010.80 and 7,680,826.40

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Solution

The fourth proportional to 11,264,007.20, 16,896,010.80 and 7,680,826.40 is: 11,521,239.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,264,007.20 : 16,896,010.80 = 7,680,826.40 : x
  2. Step 2: Convert to fraction form
    11,264,007.20/16,896,010.80 = 7,680,826.40/x
  3. Step 3: Cross multiply
    11,264,007.20x = 16,896,010.80 × 7,680,826.40
  4. Step 4: Simplify right side
    11,264,007.20x = 129,775,325,807,325.12
  5. Step 5: Solve for x
    x = 129,775,325,807,325.12/11,264,007.20
  6. Step 6: Final answer
    x = 11,521,239.60

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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.