Home / 14,001,647.40-20,960,480.70-8,318,946.60

Finding the Fourth Proportional to 14,001,647.40, 20,960,480.70 and 8,318,946.60

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Solution

The fourth proportional to 14,001,647.40, 20,960,480.70 and 8,318,946.60 is: 12,453,471.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,001,647.40 : 20,960,480.70 = 8,318,946.60 : x
  2. Step 2: Convert to fraction form
    14,001,647.40/20,960,480.70 = 8,318,946.60/x
  3. Step 3: Cross multiply
    14,001,647.40x = 20,960,480.70 × 8,318,946.60
  4. Step 4: Simplify right side
    14,001,647.40x = 174,369,119,653,630.59
  5. Step 5: Solve for x
    x = 174,369,119,653,630.59/14,001,647.40
  6. Step 6: Final answer
    x = 12,453,471.70

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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.