Home / 28,608,913.85-42,887,821.14-10,400,281.67

Finding the Fourth Proportional to 28,608,913.85, 42,887,821.14 and 10,400,281.67

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Solution

The fourth proportional to 28,608,913.85, 42,887,821.14 and 10,400,281.67 is: 15,591,134.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,608,913.85 : 42,887,821.14 = 10,400,281.67 : x
  2. Step 2: Convert to fraction form
    28,608,913.85/42,887,821.14 = 10,400,281.67/x
  3. Step 3: Cross multiply
    28,608,913.85x = 42,887,821.14 × 10,400,281.67
  4. Step 4: Simplify right side
    28,608,913.85x = 446,045,420,068,580.50
  5. Step 5: Solve for x
    x = 446,045,420,068,580.50/28,608,913.85
  6. Step 6: Final answer
    x = 15,591,134.37

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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.