Home / 30,622,187.84-42,258,595.95-16,871,151.96

Finding the Fourth Proportional to 30,622,187.84, 42,258,595.95 and 16,871,151.96

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Solution

The fourth proportional to 30,622,187.84, 42,258,595.95 and 16,871,151.96 is: 23,282,176.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,622,187.84 : 42,258,595.95 = 16,871,151.96 : x
  2. Step 2: Convert to fraction form
    30,622,187.84/42,258,595.95 = 16,871,151.96/x
  3. Step 3: Cross multiply
    30,622,187.84x = 42,258,595.95 × 16,871,151.96
  4. Step 4: Simplify right side
    30,622,187.84x = 712,951,193,888,690.62
  5. Step 5: Solve for x
    x = 712,951,193,888,690.62/30,622,187.84
  6. Step 6: Final answer
    x = 23,282,176.89

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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.