Home / 13,456,416.60-20,187,715.86-3,871,874.52

Finding the Fourth Proportional to 13,456,416.60, 20,187,715.86 and 3,871,874.52

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Solution

The fourth proportional to 13,456,416.60, 20,187,715.86 and 3,871,874.52 is: 5,808,701.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,456,416.60 : 20,187,715.86 = 3,871,874.52 : x
  2. Step 2: Convert to fraction form
    13,456,416.60/20,187,715.86 = 3,871,874.52/x
  3. Step 3: Cross multiply
    13,456,416.60x = 20,187,715.86 × 3,871,874.52
  4. Step 4: Simplify right side
    13,456,416.60x = 78,164,302,655,333.89
  5. Step 5: Solve for x
    x = 78,164,302,655,333.89/13,456,416.60
  6. Step 6: Final answer
    x = 5,808,701.16

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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.