Home / 15,525,036.96-21,424,048.80-8,910,714.24

Finding the Fourth Proportional to 15,525,036.96, 21,424,048.80 and 8,910,714.24

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Solution

The fourth proportional to 15,525,036.96, 21,424,048.80 and 8,910,714.24 is: 12,296,497.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,525,036.96 : 21,424,048.80 = 8,910,714.24 : x
  2. Step 2: Convert to fraction form
    15,525,036.96/21,424,048.80 = 8,910,714.24/x
  3. Step 3: Cross multiply
    15,525,036.96x = 21,424,048.80 × 8,910,714.24
  4. Step 4: Simplify right side
    15,525,036.96x = 190,903,576,720,614.94
  5. Step 5: Solve for x
    x = 190,903,576,720,614.94/15,525,036.96
  6. Step 6: Final answer
    x = 12,296,497.41

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1.5x scale

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.