Home / 12,951,569.84-17,889,070.20-9,702,918.32

Finding the Fourth Proportional to 12,951,569.84, 17,889,070.20 and 9,702,918.32

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Solution

The fourth proportional to 12,951,569.84, 17,889,070.20 and 9,702,918.32 is: 13,401,941.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,951,569.84 : 17,889,070.20 = 9,702,918.32 : x
  2. Step 2: Convert to fraction form
    12,951,569.84/17,889,070.20 = 9,702,918.32/x
  3. Step 3: Cross multiply
    12,951,569.84x = 17,889,070.20 × 9,702,918.32
  4. Step 4: Simplify right side
    12,951,569.84x = 173,576,186,971,346.06
  5. Step 5: Solve for x
    x = 173,576,186,971,346.06/12,951,569.84
  6. Step 6: Final answer
    x = 13,401,941.94

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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.