Home / 9,721,940.40-13,416,548.40-5,371,307.28

Finding the Fourth Proportional to 9,721,940.40, 13,416,548.40 and 5,371,307.28

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Solution

The fourth proportional to 9,721,940.40, 13,416,548.40 and 5,371,307.28 is: 7,412,553.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,721,940.40 : 13,416,548.40 = 5,371,307.28 : x
  2. Step 2: Convert to fraction form
    9,721,940.40/13,416,548.40 = 5,371,307.28/x
  3. Step 3: Cross multiply
    9,721,940.40x = 13,416,548.40 × 5,371,307.28
  4. Step 4: Simplify right side
    9,721,940.40x = 72,064,404,093,392.36
  5. Step 5: Solve for x
    x = 72,064,404,093,392.36/9,721,940.40
  6. Step 6: Final answer
    x = 7,412,553.58

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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.