Home / 9,906,000.20-14,859,000.30-7,663,747.40

Finding the Fourth Proportional to 9,906,000.20, 14,859,000.30 and 7,663,747.40

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Solution

The fourth proportional to 9,906,000.20, 14,859,000.30 and 7,663,747.40 is: 11,495,621.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,906,000.20 : 14,859,000.30 = 7,663,747.40 : x
  2. Step 2: Convert to fraction form
    9,906,000.20/14,859,000.30 = 7,663,747.40/x
  3. Step 3: Cross multiply
    9,906,000.20x = 14,859,000.30 × 7,663,747.40
  4. Step 4: Simplify right side
    9,906,000.20x = 113,875,624,915,724.23
  5. Step 5: Solve for x
    x = 113,875,624,915,724.23/9,906,000.20
  6. Step 6: Final answer
    x = 11,495,621.10

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.