Home / 38,739,466.62-53,462,881.78-21,335,807.23

Finding the Fourth Proportional to 38,739,466.62, 53,462,881.78 and 21,335,807.23

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Solution

The fourth proportional to 38,739,466.62, 53,462,881.78 and 21,335,807.23 is: 29,444,745.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,739,466.62 : 53,462,881.78 = 21,335,807.23 : x
  2. Step 2: Convert to fraction form
    38,739,466.62/53,462,881.78 = 21,335,807.23/x
  3. Step 3: Cross multiply
    38,739,466.62x = 53,462,881.78 × 21,335,807.23
  4. Step 4: Simplify right side
    38,739,466.62x = 1,140,673,739,431,362.50
  5. Step 5: Solve for x
    x = 1,140,673,739,431,362.50/38,739,466.62
  6. Step 6: Final answer
    x = 29,444,745.60

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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.