Home / 8,768,142.40-13,116,784.20-7,583,225.80

Finding the Fourth Proportional to 8,768,142.40, 13,116,784.20 and 7,583,225.80

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Solution

The fourth proportional to 8,768,142.40, 13,116,784.20 and 7,583,225.80 is: 11,344,197.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,768,142.40 : 13,116,784.20 = 7,583,225.80 : x
  2. Step 2: Convert to fraction form
    8,768,142.40/13,116,784.20 = 7,583,225.80/x
  3. Step 3: Cross multiply
    8,768,142.40x = 13,116,784.20 × 7,583,225.80
  4. Step 4: Simplify right side
    8,768,142.40x = 99,467,536,358,472.36
  5. Step 5: Solve for x
    x = 99,467,536,358,472.36/8,768,142.40
  6. Step 6: Final answer
    x = 11,344,197.19

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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.