Home / 20,005,929.69-27,608,315.50-10,838,572.44

Finding the Fourth Proportional to 20,005,929.69, 27,608,315.50 and 10,838,572.44

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Solution

The fourth proportional to 20,005,929.69, 27,608,315.50 and 10,838,572.44 is: 14,957,301.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,005,929.69 : 27,608,315.50 = 10,838,572.44 : x
  2. Step 2: Convert to fraction form
    20,005,929.69/27,608,315.50 = 10,838,572.44/x
  3. Step 3: Cross multiply
    20,005,929.69x = 27,608,315.50 × 10,838,572.44
  4. Step 4: Simplify right side
    20,005,929.69x = 299,234,727,327,986.81
  5. Step 5: Solve for x
    x = 299,234,727,327,986.81/20,005,929.69
  6. Step 6: Final answer
    x = 14,957,301.76

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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.