Home / 8,912,416.80-12,299,172.12-5,045,684.16

Finding the Fourth Proportional to 8,912,416.80, 12,299,172.12 and 5,045,684.16

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Solution

The fourth proportional to 8,912,416.80, 12,299,172.12 and 5,045,684.16 is: 6,963,065.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,912,416.80 : 12,299,172.12 = 5,045,684.16 : x
  2. Step 2: Convert to fraction form
    8,912,416.80/12,299,172.12 = 5,045,684.16/x
  3. Step 3: Cross multiply
    8,912,416.80x = 12,299,172.12 × 5,045,684.16
  4. Step 4: Simplify right side
    8,912,416.80x = 62,057,737,946,997.62
  5. Step 5: Solve for x
    x = 62,057,737,946,997.62/8,912,416.80
  6. Step 6: Final answer
    x = 6,963,065.05

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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.