Home / 15,819,263.96-21,830,756.36-9,293,168.48

Finding the Fourth Proportional to 15,819,263.96, 21,830,756.36 and 9,293,168.48

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Solution

The fourth proportional to 15,819,263.96, 21,830,756.36 and 9,293,168.48 is: 12,824,673.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,819,263.96 : 21,830,756.36 = 9,293,168.48 : x
  2. Step 2: Convert to fraction form
    15,819,263.96/21,830,756.36 = 9,293,168.48/x
  3. Step 3: Cross multiply
    15,819,263.96x = 21,830,756.36 × 9,293,168.48
  4. Step 4: Simplify right side
    15,819,263.96x = 202,876,896,899,311.53
  5. Step 5: Solve for x
    x = 202,876,896,899,311.53/15,819,263.96
  6. Step 6: Final answer
    x = 12,824,673.60

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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.