Home / 10,688,300.80-16,032,451.20-3,115,513.60

Finding the Fourth Proportional to 10,688,300.80, 16,032,451.20 and 3,115,513.60

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Solution

The fourth proportional to 10,688,300.80, 16,032,451.20 and 3,115,513.60 is: 4,673,270.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,688,300.80 : 16,032,451.20 = 3,115,513.60 : x
  2. Step 2: Convert to fraction form
    10,688,300.80/16,032,451.20 = 3,115,513.60/x
  3. Step 3: Cross multiply
    10,688,300.80x = 16,032,451.20 × 3,115,513.60
  4. Step 4: Simplify right side
    10,688,300.80x = 49,949,319,754,936.32
  5. Step 5: Solve for x
    x = 49,949,319,754,936.32/10,688,300.80
  6. Step 6: Final answer
    x = 4,673,270.40

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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.