Home / 30,818,118.07-42,527,487.42-16,879,533.98

Finding the Fourth Proportional to 30,818,118.07, 42,527,487.42 and 16,879,533.98

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Solution

The fourth proportional to 30,818,118.07, 42,527,487.42 and 16,879,533.98 is: 23,292,926.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,818,118.07 : 42,527,487.42 = 16,879,533.98 : x
  2. Step 2: Convert to fraction form
    30,818,118.07/42,527,487.42 = 16,879,533.98/x
  3. Step 3: Cross multiply
    30,818,118.07x = 42,527,487.42 × 16,879,533.98
  4. Step 4: Simplify right side
    30,818,118.07x = 717,844,168,989,912.62
  5. Step 5: Solve for x
    x = 717,844,168,989,912.62/30,818,118.07
  6. Step 6: Final answer
    x = 23,292,926.83

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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.