Home / 7,987,085.74-11,968,437.49-4,742,233.64

Finding the Fourth Proportional to 7,987,085.74, 11,968,437.49 and 4,742,233.64

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Solution

The fourth proportional to 7,987,085.74, 11,968,437.49 and 4,742,233.64 is: 7,106,112.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,987,085.74 : 11,968,437.49 = 4,742,233.64 : x
  2. Step 2: Convert to fraction form
    7,987,085.74/11,968,437.49 = 4,742,233.64/x
  3. Step 3: Cross multiply
    7,987,085.74x = 11,968,437.49 × 4,742,233.64
  4. Step 4: Simplify right side
    7,987,085.74x = 56,757,126,883,315.16
  5. Step 5: Solve for x
    x = 56,757,126,883,315.16/7,987,085.74
  6. Step 6: Final answer
    x = 7,106,112.13

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.