Home / 7,556,756.34-10,428,427.37-4,118,989.98

Finding the Fourth Proportional to 7,556,756.34, 10,428,427.37 and 4,118,989.98

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Solution

The fourth proportional to 7,556,756.34, 10,428,427.37 and 4,118,989.98 is: 5,684,262.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,556,756.34 : 10,428,427.37 = 4,118,989.98 : x
  2. Step 2: Convert to fraction form
    7,556,756.34/10,428,427.37 = 4,118,989.98/x
  3. Step 3: Cross multiply
    7,556,756.34x = 10,428,427.37 × 4,118,989.98
  4. Step 4: Simplify right side
    7,556,756.34x = 42,954,587,844,187.75
  5. Step 5: Solve for x
    x = 42,954,587,844,187.75/7,556,756.34
  6. Step 6: Final answer
    x = 5,684,262.65

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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.