Home / 38,522,366.72-53,160,526.88-21,118,395.84

Finding the Fourth Proportional to 38,522,366.72, 53,160,526.88 and 21,118,395.84

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Solution

The fourth proportional to 38,522,366.72, 53,160,526.88 and 21,118,395.84 is: 29,143,200.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,522,366.72 : 53,160,526.88 = 21,118,395.84 : x
  2. Step 2: Convert to fraction form
    38,522,366.72/53,160,526.88 = 21,118,395.84/x
  3. Step 3: Cross multiply
    38,522,366.72x = 53,160,526.88 × 21,118,395.84
  4. Step 4: Simplify right side
    38,522,366.72x = 1,122,665,049,714,800.25
  5. Step 5: Solve for x
    x = 1,122,665,049,714,800.25/38,522,366.72
  6. Step 6: Final answer
    x = 29,143,200.31

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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.