Home / 21,558,035.20-32,258,320.80-15,889,331.20

Finding the Fourth Proportional to 21,558,035.20, 32,258,320.80 and 15,889,331.20

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Solution

The fourth proportional to 21,558,035.20, 32,258,320.80 and 15,889,331.20 is: 23,775,967.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,558,035.20 : 32,258,320.80 = 15,889,331.20 : x
  2. Step 2: Convert to fraction form
    21,558,035.20/32,258,320.80 = 15,889,331.20/x
  3. Step 3: Cross multiply
    21,558,035.20x = 32,258,320.80 × 15,889,331.20
  4. Step 4: Simplify right side
    21,558,035.20x = 512,563,143,147,048.94
  5. Step 5: Solve for x
    x = 512,563,143,147,048.94/21,558,035.20
  6. Step 6: Final answer
    x = 23,775,967.45

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.