Home / 37,428,007.20-56,142,010.80-21,303,693.60

Finding the Fourth Proportional to 37,428,007.20, 56,142,010.80 and 21,303,693.60

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Solution

The fourth proportional to 37,428,007.20, 56,142,010.80 and 21,303,693.60 is: 31,955,540.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    37,428,007.20 : 56,142,010.80 = 21,303,693.60 : x
  2. Step 2: Convert to fraction form
    37,428,007.20/56,142,010.80 = 21,303,693.60/x
  3. Step 3: Cross multiply
    37,428,007.20x = 56,142,010.80 × 21,303,693.60
  4. Step 4: Simplify right side
    37,428,007.20x = 1,196,032,196,171,091
  5. Step 5: Solve for x
    x = 1,196,032,196,171,091/37,428,007.20
  6. Step 6: Final answer
    x = 31,955,540.40

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.