Home / 10,775,642.46-14,870,733.60-6,129,308.40

Finding the Fourth Proportional to 10,775,642.46, 14,870,733.60 and 6,129,308.40

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Solution

The fourth proportional to 10,775,642.46, 14,870,733.60 and 6,129,308.40 is: 8,458,642.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,775,642.46 : 14,870,733.60 = 6,129,308.40 : x
  2. Step 2: Convert to fraction form
    10,775,642.46/14,870,733.60 = 6,129,308.40/x
  3. Step 3: Cross multiply
    10,775,642.46x = 14,870,733.60 × 6,129,308.40
  4. Step 4: Simplify right side
    10,775,642.46x = 91,147,312,368,642.25
  5. Step 5: Solve for x
    x = 91,147,312,368,642.25/10,775,642.46
  6. Step 6: Final answer
    x = 8,458,642.97

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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.