Home / 9,871,214.40-14,811,487.20-4,196,289.60

Finding the Fourth Proportional to 9,871,214.40, 14,811,487.20 and 4,196,289.60

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Solution

The fourth proportional to 9,871,214.40, 14,811,487.20 and 4,196,289.60 is: 6,296,417.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,871,214.40 : 14,811,487.20 = 4,196,289.60 : x
  2. Step 2: Convert to fraction form
    9,871,214.40/14,811,487.20 = 4,196,289.60/x
  3. Step 3: Cross multiply
    9,871,214.40x = 14,811,487.20 × 4,196,289.60
  4. Step 4: Simplify right side
    9,871,214.40x = 62,153,289,697,893.11
  5. Step 5: Solve for x
    x = 62,153,289,697,893.11/9,871,214.40
  6. Step 6: Final answer
    x = 6,296,417.76

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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.