Home / 30,038,685.16-41,454,200.59-16,987,895.72

Finding the Fourth Proportional to 30,038,685.16, 41,454,200.59 and 16,987,895.72

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Solution

The fourth proportional to 30,038,685.16, 41,454,200.59 and 16,987,895.72 is: 23,443,757.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,038,685.16 : 41,454,200.59 = 16,987,895.72 : x
  2. Step 2: Convert to fraction form
    30,038,685.16/41,454,200.59 = 16,987,895.72/x
  3. Step 3: Cross multiply
    30,038,685.16x = 41,454,200.59 × 16,987,895.72
  4. Step 4: Simplify right side
    30,038,685.16x = 704,219,636,778,882.50
  5. Step 5: Solve for x
    x = 704,219,636,778,882.50/30,038,685.16
  6. Step 6: Final answer
    x = 23,443,757.04

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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.