Home / 15,470,899-21,350,504.93-8,595,381.07

Finding the Fourth Proportional to 15,470,899, 21,350,504.93 and 8,595,381.07

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Solution

The fourth proportional to 15,470,899, 21,350,504.93 and 8,595,381.07 is: 11,861,994.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,470,899 : 21,350,504.93 = 8,595,381.07 : x
  2. Step 2: Convert to fraction form
    15,470,899/21,350,504.93 = 8,595,381.07/x
  3. Step 3: Cross multiply
    15,470,899x = 21,350,504.93 × 8,595,381.07
  4. Step 4: Simplify right side
    15,470,899x = 183,515,725,910,263.69
  5. Step 5: Solve for x
    x = 183,515,725,910,263.69/15,470,899
  6. Step 6: Final answer
    x = 11,861,994.96

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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.