Home / 38,763,137.79-53,494,271.19-21,360,604.01

Finding the Fourth Proportional to 38,763,137.79, 53,494,271.19 and 21,360,604.01

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Solution

The fourth proportional to 38,763,137.79, 53,494,271.19 and 21,360,604.01 is: 29,478,262.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,763,137.79 : 53,494,271.19 = 21,360,604.01 : x
  2. Step 2: Convert to fraction form
    38,763,137.79/53,494,271.19 = 21,360,604.01/x
  3. Step 3: Cross multiply
    38,763,137.79x = 53,494,271.19 × 21,360,604.01
  4. Step 4: Simplify right side
    38,763,137.79x = 1,142,669,943,693,141.50
  5. Step 5: Solve for x
    x = 1,142,669,943,693,141.50/38,763,137.79
  6. Step 6: Final answer
    x = 29,478,262.31

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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.