Home / 8,989,928.40-13,484,892.60-8,933,941.20

Finding the Fourth Proportional to 8,989,928.40, 13,484,892.60 and 8,933,941.20

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Solution

The fourth proportional to 8,989,928.40, 13,484,892.60 and 8,933,941.20 is: 13,400,911.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,989,928.40 : 13,484,892.60 = 8,933,941.20 : x
  2. Step 2: Convert to fraction form
    8,989,928.40/13,484,892.60 = 8,933,941.20/x
  3. Step 3: Cross multiply
    8,989,928.40x = 13,484,892.60 × 8,933,941.20
  4. Step 4: Simplify right side
    8,989,928.40x = 120,473,237,576,715.11
  5. Step 5: Solve for x
    x = 120,473,237,576,715.11/8,989,928.40
  6. Step 6: Final answer
    x = 13,400,911.80

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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.