Home / 15,316,157.84-21,136,740.72-8,441,082.80

Finding the Fourth Proportional to 15,316,157.84, 21,136,740.72 and 8,441,082.80

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Solution

The fourth proportional to 15,316,157.84, 21,136,740.72 and 8,441,082.80 is: 11,648,938.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,316,157.84 : 21,136,740.72 = 8,441,082.80 : x
  2. Step 2: Convert to fraction form
    15,316,157.84/21,136,740.72 = 8,441,082.80/x
  3. Step 3: Cross multiply
    15,316,157.84x = 21,136,740.72 × 8,441,082.80
  4. Step 4: Simplify right side
    15,316,157.84x = 178,416,978,539,651.62
  5. Step 5: Solve for x
    x = 178,416,978,539,651.62/15,316,157.84
  6. Step 6: Final answer
    x = 11,648,938.36

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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.