Home / 13,456,417.60-20,187,717.36-3,871,875.52

Finding the Fourth Proportional to 13,456,417.60, 20,187,717.36 and 3,871,875.52

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Solution

The fourth proportional to 13,456,417.60, 20,187,717.36 and 3,871,875.52 is: 5,808,702.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,456,417.60 : 20,187,717.36 = 3,871,875.52 : x
  2. Step 2: Convert to fraction form
    13,456,417.60/20,187,717.36 = 3,871,875.52/x
  3. Step 3: Cross multiply
    13,456,417.60x = 20,187,717.36 × 3,871,875.52
  4. Step 4: Simplify right side
    13,456,417.60x = 78,164,328,650,863.03
  5. Step 5: Solve for x
    x = 78,164,328,650,863.03/13,456,417.60
  6. Step 6: Final answer
    x = 5,808,702.66

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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.