Home / 10,775,643.46-14,870,734.95-6,129,309.40

Finding the Fourth Proportional to 10,775,643.46, 14,870,734.95 and 6,129,309.40

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Solution

The fourth proportional to 10,775,643.46, 14,870,734.95 and 6,129,309.40 is: 8,458,644.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,775,643.46 : 14,870,734.95 = 6,129,309.40 : x
  2. Step 2: Convert to fraction form
    10,775,643.46/14,870,734.95 = 6,129,309.40/x
  3. Step 3: Cross multiply
    10,775,643.46x = 14,870,734.95 × 6,129,309.40
  4. Step 4: Simplify right side
    10,775,643.46x = 91,147,335,513,943.53
  5. Step 5: Solve for x
    x = 91,147,335,513,943.53/10,775,643.46
  6. Step 6: Final answer
    x = 8,458,644.34

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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.