Home / 10,554,550.89-14,557,771.74-9,686,189.76

Finding the Fourth Proportional to 10,554,550.89, 14,557,771.74 and 9,686,189.76

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Solution

The fourth proportional to 10,554,550.89, 14,557,771.74 and 9,686,189.76 is: 13,360,051.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,554,550.89 : 14,557,771.74 = 9,686,189.76 : x
  2. Step 2: Convert to fraction form
    10,554,550.89/14,557,771.74 = 9,686,189.76/x
  3. Step 3: Cross multiply
    10,554,550.89x = 14,557,771.74 × 9,686,189.76
  4. Step 4: Simplify right side
    10,554,550.89x = 141,009,339,556,405.38
  5. Step 5: Solve for x
    x = 141,009,339,556,405.38/10,554,550.89
  6. Step 6: Final answer
    x = 13,360,051.13

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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.