Home / 28,689,364.86-39,592,153.26-15,637,469.15

Finding the Fourth Proportional to 28,689,364.86, 39,592,153.26 and 15,637,469.15

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Solution

The fourth proportional to 28,689,364.86, 39,592,153.26 and 15,637,469.15 is: 21,580,159.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,689,364.86 : 39,592,153.26 = 15,637,469.15 : x
  2. Step 2: Convert to fraction form
    28,689,364.86/39,592,153.26 = 15,637,469.15/x
  3. Step 3: Cross multiply
    28,689,364.86x = 39,592,153.26 × 15,637,469.15
  4. Step 4: Simplify right side
    28,689,364.86x = 619,121,074,987,361.12
  5. Step 5: Solve for x
    x = 619,121,074,987,361.12/28,689,364.86
  6. Step 6: Final answer
    x = 21,580,159.69

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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.