Home / 15,408,328.29-21,264,161.48-8,532,810.37

Finding the Fourth Proportional to 15,408,328.29, 21,264,161.48 and 8,532,810.37

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Solution

The fourth proportional to 15,408,328.29, 21,264,161.48 and 8,532,810.37 is: 11,775,648.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,408,328.29 : 21,264,161.48 = 8,532,810.37 : x
  2. Step 2: Convert to fraction form
    15,408,328.29/21,264,161.48 = 8,532,810.37/x
  3. Step 3: Cross multiply
    15,408,328.29x = 21,264,161.48 × 8,532,810.37
  4. Step 4: Simplify right side
    15,408,328.29x = 181,443,057,585,898.53
  5. Step 5: Solve for x
    x = 181,443,057,585,898.53/15,408,328.29
  6. Step 6: Final answer
    x = 11,775,648.48

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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.