Home / 38,552,967.02-53,202,784.55-20,911,825.71

Finding the Fourth Proportional to 38,552,967.02, 53,202,784.55 and 20,911,825.71

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Solution

The fourth proportional to 38,552,967.02, 53,202,784.55 and 20,911,825.71 is: 28,858,151.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,552,967.02 : 53,202,784.55 = 20,911,825.71 : x
  2. Step 2: Convert to fraction form
    38,552,967.02/53,202,784.55 = 20,911,825.71/x
  3. Step 3: Cross multiply
    38,552,967.02x = 53,202,784.55 × 20,911,825.71
  4. Step 4: Simplify right side
    38,552,967.02x = 1,112,567,357,691,721.75
  5. Step 5: Solve for x
    x = 1,112,567,357,691,721.75/38,552,967.02
  6. Step 6: Final answer
    x = 28,858,151.36

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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.