Home / 27,798,619.79-38,362,069.64-15,575,564.27

Finding the Fourth Proportional to 27,798,619.79, 38,362,069.64 and 15,575,564.27

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Solution

The fourth proportional to 27,798,619.79, 38,362,069.64 and 15,575,564.27 is: 21,494,264.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,798,619.79 : 38,362,069.64 = 15,575,564.27 : x
  2. Step 2: Convert to fraction form
    27,798,619.79/38,362,069.64 = 15,575,564.27/x
  3. Step 3: Cross multiply
    27,798,619.79x = 38,362,069.64 × 15,575,564.27
  4. Step 4: Simplify right side
    27,798,619.79x = 597,510,880,938,347.62
  5. Step 5: Solve for x
    x = 597,510,880,938,347.62/27,798,619.79
  6. Step 6: Final answer
    x = 21,494,264.30

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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.