Home / 30,562,184.79-42,174,926.51-16,811,145.27

Finding the Fourth Proportional to 30,562,184.79, 42,174,926.51 and 16,811,145.27

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Solution

The fourth proportional to 30,562,184.79, 42,174,926.51 and 16,811,145.27 is: 23,198,891.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,562,184.79 : 42,174,926.51 = 16,811,145.27 : x
  2. Step 2: Convert to fraction form
    30,562,184.79/42,174,926.51 = 16,811,145.27/x
  3. Step 3: Cross multiply
    30,562,184.79x = 42,174,926.51 × 16,811,145.27
  4. Step 4: Simplify right side
    30,562,184.79x = 709,008,816,227,128.38
  5. Step 5: Solve for x
    x = 709,008,816,227,128.38/30,562,184.79
  6. Step 6: Final answer
    x = 23,198,891.74

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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.