Home / 12,960,666.20-19,440,999.30-10,834,902.20

Finding the Fourth Proportional to 12,960,666.20, 19,440,999.30 and 10,834,902.20

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Solution

The fourth proportional to 12,960,666.20, 19,440,999.30 and 10,834,902.20 is: 16,252,353.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,960,666.20 : 19,440,999.30 = 10,834,902.20 : x
  2. Step 2: Convert to fraction form
    12,960,666.20/19,440,999.30 = 10,834,902.20/x
  3. Step 3: Cross multiply
    12,960,666.20x = 19,440,999.30 × 10,834,902.20
  4. Step 4: Simplify right side
    12,960,666.20x = 210,641,326,085,768.47
  5. Step 5: Solve for x
    x = 210,641,326,085,768.47/12,960,666.20
  6. Step 6: Final answer
    x = 16,252,353.30

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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.