Home / 14,432,120.28-19,916,329.50-7,905,981.72

Finding the Fourth Proportional to 14,432,120.28, 19,916,329.50 and 7,905,981.72

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Solution

The fourth proportional to 14,432,120.28, 19,916,329.50 and 7,905,981.72 is: 10,910,256.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,432,120.28 : 19,916,329.50 = 7,905,981.72 : x
  2. Step 2: Convert to fraction form
    14,432,120.28/19,916,329.50 = 7,905,981.72/x
  3. Step 3: Cross multiply
    14,432,120.28x = 19,916,329.50 × 7,905,981.72
  4. Step 4: Simplify right side
    14,432,120.28x = 157,458,136,956,496.75
  5. Step 5: Solve for x
    x = 157,458,136,956,496.75/14,432,120.28
  6. Step 6: Final answer
    x = 10,910,256.70

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.