Home / 10,775,638.95-14,870,728.76-6,129,304.90

Finding the Fourth Proportional to 10,775,638.95, 14,870,728.76 and 6,129,304.90

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Solution

The fourth proportional to 10,775,638.95, 14,870,728.76 and 6,129,304.90 is: 8,458,638.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,775,638.95 : 14,870,728.76 = 6,129,304.90 : x
  2. Step 2: Convert to fraction form
    10,775,638.95/14,870,728.76 = 6,129,304.90/x
  3. Step 3: Cross multiply
    10,775,638.95x = 14,870,728.76 × 6,129,304.90
  4. Step 4: Simplify right side
    10,775,638.95x = 91,147,230,655,238.92
  5. Step 5: Solve for x
    x = 91,147,230,655,238.92/10,775,638.95
  6. Step 6: Final answer
    x = 8,458,638.14

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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.