Home / 13,440,605.20-20,148,005.40-4,460,534.80

Finding the Fourth Proportional to 13,440,605.20, 20,148,005.40 and 4,460,534.80

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Solution

The fourth proportional to 13,440,605.20, 20,148,005.40 and 4,460,534.80 is: 6,686,520.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,440,605.20 : 20,148,005.40 = 4,460,534.80 : x
  2. Step 2: Convert to fraction form
    13,440,605.20/20,148,005.40 = 4,460,534.80/x
  3. Step 3: Cross multiply
    13,440,605.20x = 20,148,005.40 × 4,460,534.80
  4. Step 4: Simplify right side
    13,440,605.20x = 89,870,879,237,287.91
  5. Step 5: Solve for x
    x = 89,870,879,237,287.91/13,440,605.20
  6. Step 6: Final answer
    x = 6,686,520.28

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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.