Home / 9,435,445.28-13,007,722.32-7,979,285.28

Finding the Fourth Proportional to 9,435,445.28, 13,007,722.32 and 7,979,285.28

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Solution

The fourth proportional to 9,435,445.28, 13,007,722.32 and 7,979,285.28 is: 11,000,257.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,435,445.28 : 13,007,722.32 = 7,979,285.28 : x
  2. Step 2: Convert to fraction form
    9,435,445.28/13,007,722.32 = 7,979,285.28/x
  3. Step 3: Cross multiply
    9,435,445.28x = 13,007,722.32 × 7,979,285.28
  4. Step 4: Simplify right side
    9,435,445.28x = 103,792,327,234,303.45
  5. Step 5: Solve for x
    x = 103,792,327,234,303.45/9,435,445.28
  6. Step 6: Final answer
    x = 11,000,257.45

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.