Home / 38,690,672.46-53,393,551.23-21,049,675.17

Finding the Fourth Proportional to 38,690,672.46, 53,393,551.23 and 21,049,675.17

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Solution

The fourth proportional to 38,690,672.46, 53,393,551.23 and 21,049,675.17 is: 29,048,782.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,690,672.46 : 53,393,551.23 = 21,049,675.17 : x
  2. Step 2: Convert to fraction form
    38,690,672.46/53,393,551.23 = 21,049,675.17/x
  3. Step 3: Cross multiply
    38,690,672.46x = 53,393,551.23 × 21,049,675.17
  4. Step 4: Simplify right side
    38,690,672.46x = 1,123,916,909,564,254
  5. Step 5: Solve for x
    x = 1,123,916,909,564,254/38,690,672.46
  6. Step 6: Final answer
    x = 29,048,782.00

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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.