Home / 30,038,684.16-41,454,199.21-16,987,894.72

Finding the Fourth Proportional to 30,038,684.16, 41,454,199.21 and 16,987,894.72

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Solution

The fourth proportional to 30,038,684.16, 41,454,199.21 and 16,987,894.72 is: 23,443,755.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,038,684.16 : 41,454,199.21 = 16,987,894.72 : x
  2. Step 2: Convert to fraction form
    30,038,684.16/41,454,199.21 = 16,987,894.72/x
  3. Step 3: Cross multiply
    30,038,684.16x = 41,454,199.21 × 16,987,894.72
  4. Step 4: Simplify right side
    30,038,684.16x = 704,219,571,881,387.12
  5. Step 5: Solve for x
    x = 704,219,571,881,387.12/30,038,684.16
  6. Step 6: Final answer
    x = 23,443,755.66

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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.