Home / 38,834,311.24-53,592,485.69-21,194,345.20

Finding the Fourth Proportional to 38,834,311.24, 53,592,485.69 and 21,194,345.20

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Solution

The fourth proportional to 38,834,311.24, 53,592,485.69 and 21,194,345.20 is: 29,248,816.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,834,311.24 : 53,592,485.69 = 21,194,345.20 : x
  2. Step 2: Convert to fraction form
    38,834,311.24/53,592,485.69 = 21,194,345.20/x
  3. Step 3: Cross multiply
    38,834,311.24x = 53,592,485.69 × 21,194,345.20
  4. Step 4: Simplify right side
    38,834,311.24x = 1,135,857,642,055,686
  5. Step 5: Solve for x
    x = 1,135,857,642,055,686/38,834,311.24
  6. Step 6: Final answer
    x = 29,248,816.47

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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.