Home / 13,136,967.98-17,971,465.34-13,081,636.47

Finding the Fourth Proportional to 13,136,967.98, 17,971,465.34 and 13,081,636.47

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Solution

The fourth proportional to 13,136,967.98, 17,971,465.34 and 13,081,636.47 is: 17,895,771.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,136,967.98 : 17,971,465.34 = 13,081,636.47 : x
  2. Step 2: Convert to fraction form
    13,136,967.98/17,971,465.34 = 13,081,636.47/x
  3. Step 3: Cross multiply
    13,136,967.98x = 17,971,465.34 × 13,081,636.47
  4. Step 4: Simplify right side
    13,136,967.98x = 235,096,176,411,084.97
  5. Step 5: Solve for x
    x = 235,096,176,411,084.97/13,136,967.98
  6. Step 6: Final answer
    x = 17,895,771.44

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Why These Related Problems?

These problems maintain the same ratio (1.37) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.