Home / 10,688,315.80-16,032,473.70-3,115,528.60

Finding the Fourth Proportional to 10,688,315.80, 16,032,473.70 and 3,115,528.60

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Solution

The fourth proportional to 10,688,315.80, 16,032,473.70 and 3,115,528.60 is: 4,673,292.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,688,315.80 : 16,032,473.70 = 3,115,528.60 : x
  2. Step 2: Convert to fraction form
    10,688,315.80/16,032,473.70 = 3,115,528.60/x
  3. Step 3: Cross multiply
    10,688,315.80x = 16,032,473.70 × 3,115,528.60
  4. Step 4: Simplify right side
    10,688,315.80x = 49,949,630,341,097.82
  5. Step 5: Solve for x
    x = 49,949,630,341,097.82/10,688,315.80
  6. Step 6: Final answer
    x = 4,673,292.90

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.