Home / 16,871,019.40-25,306,529.10-12,358,865.80

Finding the Fourth Proportional to 16,871,019.40, 25,306,529.10 and 12,358,865.80

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Solution

The fourth proportional to 16,871,019.40, 25,306,529.10 and 12,358,865.80 is: 18,538,298.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,871,019.40 : 25,306,529.10 = 12,358,865.80 : x
  2. Step 2: Convert to fraction form
    16,871,019.40/25,306,529.10 = 12,358,865.80/x
  3. Step 3: Cross multiply
    16,871,019.40x = 25,306,529.10 × 12,358,865.80
  4. Step 4: Simplify right side
    16,871,019.40x = 312,759,997,010,694.81
  5. Step 5: Solve for x
    x = 312,759,997,010,694.81/16,871,019.40
  6. Step 6: Final answer
    x = 18,538,298.70

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.