Home / 15,622,714.95-21,559,569.20-9,007,172.54

Finding the Fourth Proportional to 15,622,714.95, 21,559,569.20 and 9,007,172.54

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Solution

The fourth proportional to 15,622,714.95, 21,559,569.20 and 9,007,172.54 is: 12,430,026.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,622,714.95 : 21,559,569.20 = 9,007,172.54 : x
  2. Step 2: Convert to fraction form
    15,622,714.95/21,559,569.20 = 9,007,172.54/x
  3. Step 3: Cross multiply
    15,622,714.95x = 21,559,569.20 × 9,007,172.54
  4. Step 4: Simplify right side
    15,622,714.95x = 194,190,759,519,636.06
  5. Step 5: Solve for x
    x = 194,190,759,519,636.06/15,622,714.95
  6. Step 6: Final answer
    x = 12,430,026.42

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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.