Home / 38,423,361.06-53,024,656.77-21,019,332.63

Finding the Fourth Proportional to 38,423,361.06, 53,024,656.77 and 21,019,332.63

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Solution

The fourth proportional to 38,423,361.06, 53,024,656.77 and 21,019,332.63 is: 29,006,907.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,423,361.06 : 53,024,656.77 = 21,019,332.63 : x
  2. Step 2: Convert to fraction form
    38,423,361.06/53,024,656.77 = 21,019,332.63/x
  3. Step 3: Cross multiply
    38,423,361.06x = 53,024,656.77 × 21,019,332.63
  4. Step 4: Simplify right side
    38,423,361.06x = 1,114,542,898,240,211.38
  5. Step 5: Solve for x
    x = 1,114,542,898,240,211.38/38,423,361.06
  6. Step 6: Final answer
    x = 29,006,907.97

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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.