Home / 15,181,530.71-20,950,814.84-8,306,160.39

Finding the Fourth Proportional to 15,181,530.71, 20,950,814.84 and 8,306,160.39

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Solution

The fourth proportional to 15,181,530.71, 20,950,814.84 and 8,306,160.39 is: 11,462,666.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,181,530.71 : 20,950,814.84 = 8,306,160.39 : x
  2. Step 2: Convert to fraction form
    15,181,530.71/20,950,814.84 = 8,306,160.39/x
  3. Step 3: Cross multiply
    15,181,530.71x = 20,950,814.84 × 8,306,160.39
  4. Step 4: Simplify right side
    15,181,530.71x = 174,020,828,320,701.38
  5. Step 5: Solve for x
    x = 174,020,828,320,701.38/15,181,530.71
  6. Step 6: Final answer
    x = 11,462,666.82

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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.