Home / 12,319,890.16-17,001,561.27-6,812,980.42

Finding the Fourth Proportional to 12,319,890.16, 17,001,561.27 and 6,812,980.42

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Solution

The fourth proportional to 12,319,890.16, 17,001,561.27 and 6,812,980.42 is: 9,401,975.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,319,890.16 : 17,001,561.27 = 6,812,980.42 : x
  2. Step 2: Convert to fraction form
    12,319,890.16/17,001,561.27 = 6,812,980.42/x
  3. Step 3: Cross multiply
    12,319,890.16x = 17,001,561.27 × 6,812,980.42
  4. Step 4: Simplify right side
    12,319,890.16x = 115,831,304,041,940.33
  5. Step 5: Solve for x
    x = 115,831,304,041,940.33/12,319,890.16
  6. Step 6: Final answer
    x = 9,401,975.39

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1.5x scale

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.