Home / 15,421,893.02-21,284,557.16-9,842,546.82

Finding the Fourth Proportional to 15,421,893.02, 21,284,557.16 and 9,842,546.82

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Solution

The fourth proportional to 15,421,893.02, 21,284,557.16 and 9,842,546.82 is: 13,584,211.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,421,893.02 : 21,284,557.16 = 9,842,546.82 : x
  2. Step 2: Convert to fraction form
    15,421,893.02/21,284,557.16 = 9,842,546.82/x
  3. Step 3: Cross multiply
    15,421,893.02x = 21,284,557.16 × 9,842,546.82
  4. Step 4: Simplify right side
    15,421,893.02x = 209,494,250,390,266.25
  5. Step 5: Solve for x
    x = 209,494,250,390,266.25/15,421,893.02
  6. Step 6: Final answer
    x = 13,584,211.10

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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.