Home / 15,316,409.37-21,136,644.60-8,440,891.44

Finding the Fourth Proportional to 15,316,409.37, 21,136,644.60 and 8,440,891.44

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Solution

The fourth proportional to 15,316,409.37, 21,136,644.60 and 8,440,891.44 is: 11,648,430.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,316,409.37 : 21,136,644.60 = 8,440,891.44 : x
  2. Step 2: Convert to fraction form
    15,316,409.37/21,136,644.60 = 8,440,891.44/x
  3. Step 3: Cross multiply
    15,316,409.37x = 21,136,644.60 × 8,440,891.44
  4. Step 4: Simplify right side
    15,316,409.37x = 178,412,122,434,762.25
  5. Step 5: Solve for x
    x = 178,412,122,434,762.25/15,316,409.37
  6. Step 6: Final answer
    x = 11,648,430.00

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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.