Home / 36,367,798.37-50,188,732.79-20,686,420.91

Finding the Fourth Proportional to 36,367,798.37, 50,188,732.79 and 20,686,420.91

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Solution

The fourth proportional to 36,367,798.37, 50,188,732.79 and 20,686,420.91 is: 28,547,926.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    36,367,798.37 : 50,188,732.79 = 20,686,420.91 : x
  2. Step 2: Convert to fraction form
    36,367,798.37/50,188,732.79 = 20,686,420.91/x
  3. Step 3: Cross multiply
    36,367,798.37x = 50,188,732.79 × 20,686,420.91
  4. Step 4: Simplify right side
    36,367,798.37x = 1,038,225,251,455,498.38
  5. Step 5: Solve for x
    x = 1,038,225,251,455,498.38/36,367,798.37
  6. Step 6: Final answer
    x = 28,547,926.96

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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.