Home / 15,316,156.84-21,136,739.34-8,441,081.80

Finding the Fourth Proportional to 15,316,156.84, 21,136,739.34 and 8,441,081.80

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Solution

The fourth proportional to 15,316,156.84, 21,136,739.34 and 8,441,081.80 is: 11,648,936.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,316,156.84 : 21,136,739.34 = 8,441,081.80 : x
  2. Step 2: Convert to fraction form
    15,316,156.84/21,136,739.34 = 8,441,081.80/x
  3. Step 3: Cross multiply
    15,316,156.84x = 21,136,739.34 × 8,441,081.80
  4. Step 4: Simplify right side
    15,316,156.84x = 178,416,945,754,218.03
  5. Step 5: Solve for x
    x = 178,416,945,754,218.03/15,316,156.84
  6. Step 6: Final answer
    x = 11,648,936.98

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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.