Home / 14,209,660.80-21,314,491.20-8,461,641.60

Finding the Fourth Proportional to 14,209,660.80, 21,314,491.20 and 8,461,641.60

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Solution

The fourth proportional to 14,209,660.80, 21,314,491.20 and 8,461,641.60 is: 12,692,462.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,209,660.80 : 21,314,491.20 = 8,461,641.60 : x
  2. Step 2: Convert to fraction form
    14,209,660.80/21,314,491.20 = 8,461,641.60/x
  3. Step 3: Cross multiply
    14,209,660.80x = 21,314,491.20 × 8,461,641.60
  4. Step 4: Simplify right side
    14,209,660.80x = 180,355,585,420,753.91
  5. Step 5: Solve for x
    x = 180,355,585,420,753.91/14,209,660.80
  6. Step 6: Final answer
    x = 12,692,462.40

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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.