Home / 5,153,223.38-7,112,323.40-2,979,027.05

Finding the Fourth Proportional to 5,153,223.38, 7,112,323.40 and 2,979,027.05

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Solution

The fourth proportional to 5,153,223.38, 7,112,323.40 and 2,979,027.05 is: 4,111,563.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,153,223.38 : 7,112,323.40 = 2,979,027.05 : x
  2. Step 2: Convert to fraction form
    5,153,223.38/7,112,323.40 = 2,979,027.05/x
  3. Step 3: Cross multiply
    5,153,223.38x = 7,112,323.40 × 2,979,027.05
  4. Step 4: Simplify right side
    5,153,223.38x = 21,187,803,746,491.21
  5. Step 5: Solve for x
    x = 21,187,803,746,491.21/5,153,223.38
  6. Step 6: Final answer
    x = 4,111,563.23

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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.