Home / 15,316,224.50-21,136,390.09-8,440,706.57

Finding the Fourth Proportional to 15,316,224.50, 21,136,390.09 and 8,440,706.57

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Solution

The fourth proportional to 15,316,224.50, 21,136,390.09 and 8,440,706.57 is: 11,648,175.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,316,224.50 : 21,136,390.09 = 8,440,706.57 : x
  2. Step 2: Convert to fraction form
    15,316,224.50/21,136,390.09 = 8,440,706.57/x
  3. Step 3: Cross multiply
    15,316,224.50x = 21,136,390.09 × 8,440,706.57
  4. Step 4: Simplify right side
    15,316,224.50x = 178,406,066,571,962.16
  5. Step 5: Solve for x
    x = 178,406,066,571,962.16/15,316,224.50
  6. Step 6: Final answer
    x = 11,648,175.21

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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.