Home / 12,688,003-17,509,461.69-6,886,785.88

Finding the Fourth Proportional to 12,688,003, 17,509,461.69 and 6,886,785.88

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Solution

The fourth proportional to 12,688,003, 17,509,461.69 and 6,886,785.88 is: 9,503,774.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,688,003 : 17,509,461.69 = 6,886,785.88 : x
  2. Step 2: Convert to fraction form
    12,688,003/17,509,461.69 = 6,886,785.88/x
  3. Step 3: Cross multiply
    12,688,003x = 17,509,461.69 × 6,886,785.88
  4. Step 4: Simplify right side
    12,688,003x = 120,583,913,533,092.94
  5. Step 5: Solve for x
    x = 120,583,913,533,092.94/12,688,003
  6. Step 6: Final answer
    x = 9,503,774.04

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1.5x scale

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.