Home / 12,306,006.45-18,459,009.68-7,267,158.45

Finding the Fourth Proportional to 12,306,006.45, 18,459,009.68 and 7,267,158.45

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Solution

The fourth proportional to 12,306,006.45, 18,459,009.68 and 7,267,158.45 is: 10,900,737.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,306,006.45 : 18,459,009.68 = 7,267,158.45 : x
  2. Step 2: Convert to fraction form
    12,306,006.45/18,459,009.68 = 7,267,158.45/x
  3. Step 3: Cross multiply
    12,306,006.45x = 18,459,009.68 × 7,267,158.45
  4. Step 4: Simplify right side
    12,306,006.45x = 134,144,548,138,308.02
  5. Step 5: Solve for x
    x = 134,144,548,138,308.02/12,306,006.45
  6. Step 6: Final answer
    x = 10,900,737.68

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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.