Home / 12,961,194.63-17,886,598.15-7,159,854.75

Finding the Fourth Proportional to 12,961,194.63, 17,886,598.15 and 7,159,854.75

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Solution

The fourth proportional to 12,961,194.63, 17,886,598.15 and 7,159,854.75 is: 9,880,682.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,961,194.63 : 17,886,598.15 = 7,159,854.75 : x
  2. Step 2: Convert to fraction form
    12,961,194.63/17,886,598.15 = 7,159,854.75/x
  3. Step 3: Cross multiply
    12,961,194.63x = 17,886,598.15 × 7,159,854.75
  4. Step 4: Simplify right side
    12,961,194.63x = 128,065,444,788,234.84
  5. Step 5: Solve for x
    x = 128,065,444,788,234.84/12,961,194.63
  6. Step 6: Final answer
    x = 9,880,682.18

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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.