Home / 9,871,364.40-14,811,712.20-4,196,439.60

Finding the Fourth Proportional to 9,871,364.40, 14,811,712.20 and 4,196,439.60

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Solution

The fourth proportional to 9,871,364.40, 14,811,712.20 and 4,196,439.60 is: 6,296,642.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,871,364.40 : 14,811,712.20 = 4,196,439.60 : x
  2. Step 2: Convert to fraction form
    9,871,364.40/14,811,712.20 = 4,196,439.60/x
  3. Step 3: Cross multiply
    9,871,364.40x = 14,811,712.20 × 4,196,439.60
  4. Step 4: Simplify right side
    9,871,364.40x = 62,156,455,619,883.11
  5. Step 5: Solve for x
    x = 62,156,455,619,883.11/9,871,364.40
  6. Step 6: Final answer
    x = 6,296,642.80

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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.