Home / 15,128,135.85-22,574,213.07-13,497,696.60

Finding the Fourth Proportional to 15,128,135.85, 22,574,213.07 and 13,497,696.60

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Solution

The fourth proportional to 15,128,135.85, 22,574,213.07 and 13,497,696.60 is: 20,141,270.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,128,135.85 : 22,574,213.07 = 13,497,696.60 : x
  2. Step 2: Convert to fraction form
    15,128,135.85/22,574,213.07 = 13,497,696.60/x
  3. Step 3: Cross multiply
    15,128,135.85x = 22,574,213.07 × 13,497,696.60
  4. Step 4: Simplify right side
    15,128,135.85x = 304,699,878,960,287.94
  5. Step 5: Solve for x
    x = 304,699,878,960,287.94/15,128,135.85
  6. Step 6: Final answer
    x = 20,141,270.67

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Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.