Home / 38,454,526.93-53,067,242.88-20,813,426.47

Finding the Fourth Proportional to 38,454,526.93, 53,067,242.88 and 20,813,426.47

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Solution

The fourth proportional to 38,454,526.93, 53,067,242.88 and 20,813,426.47 is: 28,722,526.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,454,526.93 : 53,067,242.88 = 20,813,426.47 : x
  2. Step 2: Convert to fraction form
    38,454,526.93/53,067,242.88 = 20,813,426.47/x
  3. Step 3: Cross multiply
    38,454,526.93x = 53,067,242.88 × 20,813,426.47
  4. Step 4: Simplify right side
    38,454,526.93x = 1,104,511,157,648,511
  5. Step 5: Solve for x
    x = 1,104,511,157,648,511/38,454,526.93
  6. Step 6: Final answer
    x = 28,722,526.21

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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.