Home / 38,763,139.44-53,494,273.47-21,360,605.67

Finding the Fourth Proportional to 38,763,139.44, 53,494,273.47 and 21,360,605.67

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Solution

The fourth proportional to 38,763,139.44, 53,494,273.47 and 21,360,605.67 is: 29,478,264.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,763,139.44 : 53,494,273.47 = 21,360,605.67 : x
  2. Step 2: Convert to fraction form
    38,763,139.44/53,494,273.47 = 21,360,605.67/x
  3. Step 3: Cross multiply
    38,763,139.44x = 53,494,273.47 × 21,360,605.67
  4. Step 4: Simplify right side
    38,763,139.44x = 1,142,670,081,195,812.75
  5. Step 5: Solve for x
    x = 1,142,670,081,195,812.75/38,763,139.44
  6. Step 6: Final answer
    x = 29,478,264.60

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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.