Home / 12,688,059.20-17,509,050.59-6,886,716.08

Finding the Fourth Proportional to 12,688,059.20, 17,509,050.59 and 6,886,716.08

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Solution

The fourth proportional to 12,688,059.20, 17,509,050.59 and 6,886,716.08 is: 9,503,412.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,688,059.20 : 17,509,050.59 = 6,886,716.08 : x
  2. Step 2: Convert to fraction form
    12,688,059.20/17,509,050.59 = 6,886,716.08/x
  3. Step 3: Cross multiply
    12,688,059.20x = 17,509,050.59 × 6,886,716.08
  4. Step 4: Simplify right side
    12,688,059.20x = 120,579,860,121,707.66
  5. Step 5: Solve for x
    x = 120,579,860,121,707.66/12,688,059.20
  6. Step 6: Final answer
    x = 9,503,412.48

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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.