Home / 14,343,865.40-21,486,767.70-8,935,916.60

Finding the Fourth Proportional to 14,343,865.40, 21,486,767.70 and 8,935,916.60

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Solution

The fourth proportional to 14,343,865.40, 21,486,767.70 and 8,935,916.60 is: 13,385,789.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,343,865.40 : 21,486,767.70 = 8,935,916.60 : x
  2. Step 2: Convert to fraction form
    14,343,865.40/21,486,767.70 = 8,935,916.60/x
  3. Step 3: Cross multiply
    14,343,865.40x = 21,486,767.70 × 8,935,916.60
  4. Step 4: Simplify right side
    14,343,865.40x = 192,003,964,170,773.81
  5. Step 5: Solve for x
    x = 192,003,964,170,773.81/14,343,865.40
  6. Step 6: Final answer
    x = 13,385,789.59

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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.