Home / 38,709,242.88-53,418,751.92-21,068,271.84

Finding the Fourth Proportional to 38,709,242.88, 53,418,751.92 and 21,068,271.84

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Solution

The fourth proportional to 38,709,242.88, 53,418,751.92 and 21,068,271.84 is: 29,074,213.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,709,242.88 : 53,418,751.92 = 21,068,271.84 : x
  2. Step 2: Convert to fraction form
    38,709,242.88/53,418,751.92 = 21,068,271.84/x
  3. Step 3: Cross multiply
    38,709,242.88x = 53,418,751.92 × 21,068,271.84
  4. Step 4: Simplify right side
    38,709,242.88x = 1,125,440,786,804,082
  5. Step 5: Solve for x
    x = 1,125,440,786,804,082/38,709,242.88
  6. Step 6: Final answer
    x = 29,074,213.37

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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.