Home / 30,475,901.11-42,055,796.41-16,724,511.67

Finding the Fourth Proportional to 30,475,901.11, 42,055,796.41 and 16,724,511.67

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Solution

The fourth proportional to 30,475,901.11, 42,055,796.41 and 16,724,511.67 is: 23,079,306.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,475,901.11 : 42,055,796.41 = 16,724,511.67 : x
  2. Step 2: Convert to fraction form
    30,475,901.11/42,055,796.41 = 16,724,511.67/x
  3. Step 3: Cross multiply
    30,475,901.11x = 42,055,796.41 × 16,724,511.67
  4. Step 4: Simplify right side
    30,475,901.11x = 703,362,657,850,189
  5. Step 5: Solve for x
    x = 703,362,657,850,189/30,475,901.11
  6. Step 6: Final answer
    x = 23,079,306.34

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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.