Home / 38,925,311.75-53,715,229.08-21,283,881.71

Finding the Fourth Proportional to 38,925,311.75, 53,715,229.08 and 21,283,881.71

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Solution

The fourth proportional to 38,925,311.75, 53,715,229.08 and 21,283,881.71 is: 29,370,826.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,925,311.75 : 53,715,229.08 = 21,283,881.71 : x
  2. Step 2: Convert to fraction form
    38,925,311.75/53,715,229.08 = 21,283,881.71/x
  3. Step 3: Cross multiply
    38,925,311.75x = 53,715,229.08 × 21,283,881.71
  4. Step 4: Simplify right side
    38,925,311.75x = 1,143,268,581,495,695.75
  5. Step 5: Solve for x
    x = 1,143,268,581,495,695.75/38,925,311.75
  6. Step 6: Final answer
    x = 29,370,826.60

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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.