Home / 18,756,222.30-28,130,396.78-5,289,901.02

Finding the Fourth Proportional to 18,756,222.30, 28,130,396.78 and 5,289,901.02

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Solution

The fourth proportional to 18,756,222.30, 28,130,396.78 and 5,289,901.02 is: 7,933,741.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,756,222.30 : 28,130,396.78 = 5,289,901.02 : x
  2. Step 2: Convert to fraction form
    18,756,222.30/28,130,396.78 = 5,289,901.02/x
  3. Step 3: Cross multiply
    18,756,222.30x = 28,130,396.78 × 5,289,901.02
  4. Step 4: Simplify right side
    18,756,222.30x = 148,807,014,619,526.72
  5. Step 5: Solve for x
    x = 148,807,014,619,526.72/18,756,222.30
  6. Step 6: Final answer
    x = 7,933,741.25

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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.