Home / 12,365,955.16-17,065,291.60-6,859,150.62

Finding the Fourth Proportional to 12,365,955.16, 17,065,291.60 and 6,859,150.62

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Solution

The fourth proportional to 12,365,955.16, 17,065,291.60 and 6,859,150.62 is: 9,465,779.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,365,955.16 : 17,065,291.60 = 6,859,150.62 : x
  2. Step 2: Convert to fraction form
    12,365,955.16/17,065,291.60 = 6,859,150.62/x
  3. Step 3: Cross multiply
    12,365,955.16x = 17,065,291.60 × 6,859,150.62
  4. Step 4: Simplify right side
    12,365,955.16x = 117,053,405,458,620.80
  5. Step 5: Solve for x
    x = 117,053,405,458,620.80/12,365,955.16
  6. Step 6: Final answer
    x = 9,465,779.55

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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.