Home / 8,688,530.53-11,990,254.80-4,821,411.52

Finding the Fourth Proportional to 8,688,530.53, 11,990,254.80 and 4,821,411.52

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Solution

The fourth proportional to 8,688,530.53, 11,990,254.80 and 4,821,411.52 is: 6,653,593.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,688,530.53 : 11,990,254.80 = 4,821,411.52 : x
  2. Step 2: Convert to fraction form
    8,688,530.53/11,990,254.80 = 4,821,411.52/x
  3. Step 3: Cross multiply
    8,688,530.53x = 11,990,254.80 × 4,821,411.52
  4. Step 4: Simplify right side
    8,688,530.53x = 57,809,952,620,455.30
  5. Step 5: Solve for x
    x = 57,809,952,620,455.30/8,688,530.53
  6. Step 6: Final answer
    x = 6,653,593.77

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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.