Home / 15,230,862.29-21,018,467.32-8,261,522.46

Finding the Fourth Proportional to 15,230,862.29, 21,018,467.32 and 8,261,522.46

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Solution

The fourth proportional to 15,230,862.29, 21,018,467.32 and 8,261,522.46 is: 11,400,834.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,230,862.29 : 21,018,467.32 = 8,261,522.46 : x
  2. Step 2: Convert to fraction form
    15,230,862.29/21,018,467.32 = 8,261,522.46/x
  3. Step 3: Cross multiply
    15,230,862.29x = 21,018,467.32 × 8,261,522.46
  4. Step 4: Simplify right side
    15,230,862.29x = 173,644,539,818,302.19
  5. Step 5: Solve for x
    x = 173,644,539,818,302.19/15,230,862.29
  6. Step 6: Final answer
    x = 11,400,834.47

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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.