Home / 7,112,304.72-9,814,992.40-3,849,122.32

Finding the Fourth Proportional to 7,112,304.72, 9,814,992.40 and 3,849,122.32

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Solution

The fourth proportional to 7,112,304.72, 9,814,992.40 and 3,849,122.32 is: 5,311,795.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,112,304.72 : 9,814,992.40 = 3,849,122.32 : x
  2. Step 2: Convert to fraction form
    7,112,304.72/9,814,992.40 = 3,849,122.32/x
  3. Step 3: Cross multiply
    7,112,304.72x = 9,814,992.40 × 3,849,122.32
  4. Step 4: Simplify right side
    7,112,304.72x = 37,779,106,317,470.37
  5. Step 5: Solve for x
    x = 37,779,106,317,470.37/7,112,304.72
  6. Step 6: Final answer
    x = 5,311,795.23

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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.