Home / 14,162,517.60-21,243,776.40-7,430,056.80

Finding the Fourth Proportional to 14,162,517.60, 21,243,776.40 and 7,430,056.80

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Solution

The fourth proportional to 14,162,517.60, 21,243,776.40 and 7,430,056.80 is: 11,145,085.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,162,517.60 : 21,243,776.40 = 7,430,056.80 : x
  2. Step 2: Convert to fraction form
    14,162,517.60/21,243,776.40 = 7,430,056.80/x
  3. Step 3: Cross multiply
    14,162,517.60x = 21,243,776.40 × 7,430,056.80
  4. Step 4: Simplify right side
    14,162,517.60x = 157,842,465,298,499.50
  5. Step 5: Solve for x
    x = 157,842,465,298,499.50/14,162,517.60
  6. Step 6: Final answer
    x = 11,145,085.20

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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.