Home / 38,938,398.22-53,734,554.16-21,297,807.60

Finding the Fourth Proportional to 38,938,398.22, 53,734,554.16 and 21,297,807.60

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Solution

The fourth proportional to 38,938,398.22, 53,734,554.16 and 21,297,807.60 is: 29,390,736.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,938,398.22 : 53,734,554.16 = 21,297,807.60 : x
  2. Step 2: Convert to fraction form
    38,938,398.22/53,734,554.16 = 21,297,807.60/x
  3. Step 3: Cross multiply
    38,938,398.22x = 53,734,554.16 × 21,297,807.60
  4. Step 4: Simplify right side
    38,938,398.22x = 1,144,428,195,716,710.50
  5. Step 5: Solve for x
    x = 1,144,428,195,716,710.50/38,938,398.22
  6. Step 6: Final answer
    x = 29,390,736.35

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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.