Home / 7,987,750.02-11,969,431.74-4,742,897.67

Finding the Fourth Proportional to 7,987,750.02, 11,969,431.74 and 4,742,897.67

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Solution

The fourth proportional to 7,987,750.02, 11,969,431.74 and 4,742,897.67 is: 7,107,106.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,987,750.02 : 11,969,431.74 = 4,742,897.67 : x
  2. Step 2: Convert to fraction form
    7,987,750.02/11,969,431.74 = 4,742,897.67/x
  3. Step 3: Cross multiply
    7,987,750.02x = 11,969,431.74 × 4,742,897.67
  4. Step 4: Simplify right side
    7,987,750.02x = 56,769,789,910,870.05
  5. Step 5: Solve for x
    x = 56,769,789,910,870.05/7,987,750.02
  6. Step 6: Final answer
    x = 7,107,106.48

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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.