Home / 15,725,018.20-21,701,418.34-9,447,465.56

Finding the Fourth Proportional to 15,725,018.20, 21,701,418.34 and 9,447,465.56

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Solution

The fourth proportional to 15,725,018.20, 21,701,418.34 and 9,447,465.56 is: 13,038,039.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,725,018.20 : 21,701,418.34 = 9,447,465.56 : x
  2. Step 2: Convert to fraction form
    15,725,018.20/21,701,418.34 = 9,447,465.56/x
  3. Step 3: Cross multiply
    15,725,018.20x = 21,701,418.34 × 9,447,465.56
  4. Step 4: Simplify right side
    15,725,018.20x = 205,023,402,370,302.38
  5. Step 5: Solve for x
    x = 205,023,402,370,302.38/15,725,018.20
  6. Step 6: Final answer
    x = 13,038,039.11

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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.