Home / 38,562,108.94-53,216,689.46-21,158,449.55

Finding the Fourth Proportional to 38,562,108.94, 53,216,689.46 and 21,158,449.55

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Solution

The fourth proportional to 38,562,108.94, 53,216,689.46 and 21,158,449.55 is: 29,199,197.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,562,108.94 : 53,216,689.46 = 21,158,449.55 : x
  2. Step 2: Convert to fraction form
    38,562,108.94/53,216,689.46 = 21,158,449.55/x
  3. Step 3: Cross multiply
    38,562,108.94x = 53,216,689.46 × 21,158,449.55
  4. Step 4: Simplify right side
    38,562,108.94x = 1,125,982,638,785,551
  5. Step 5: Solve for x
    x = 1,125,982,638,785,551/38,562,108.94
  6. Step 6: Final answer
    x = 29,199,197.60

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1.5x scale

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.