Home / 14,219,622.40-21,329,433.60-9,117,788.80

Finding the Fourth Proportional to 14,219,622.40, 21,329,433.60 and 9,117,788.80

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Solution

The fourth proportional to 14,219,622.40, 21,329,433.60 and 9,117,788.80 is: 13,676,683.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,219,622.40 : 21,329,433.60 = 9,117,788.80 : x
  2. Step 2: Convert to fraction form
    14,219,622.40/21,329,433.60 = 9,117,788.80/x
  3. Step 3: Cross multiply
    14,219,622.40x = 21,329,433.60 × 9,117,788.80
  4. Step 4: Simplify right side
    14,219,622.40x = 194,477,270,788,423.72
  5. Step 5: Solve for x
    x = 194,477,270,788,423.72/14,219,622.40
  6. Step 6: Final answer
    x = 13,676,683.20

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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.