Home / 9,111,751.72-12,574,336.64-4,981,787.65

Finding the Fourth Proportional to 9,111,751.72, 12,574,336.64 and 4,981,787.65

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Solution

The fourth proportional to 9,111,751.72, 12,574,336.64 and 4,981,787.65 is: 6,874,932.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,111,751.72 : 12,574,336.64 = 4,981,787.65 : x
  2. Step 2: Convert to fraction form
    9,111,751.72/12,574,336.64 = 4,981,787.65/x
  3. Step 3: Cross multiply
    9,111,751.72x = 12,574,336.64 × 4,981,787.65
  4. Step 4: Simplify right side
    9,111,751.72x = 62,642,674,980,094.50
  5. Step 5: Solve for x
    x = 62,642,674,980,094.50/9,111,751.72
  6. Step 6: Final answer
    x = 6,874,932.17

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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.