Home / 30,340,073.10-45,516,014.55-8,775,378.30

Finding the Fourth Proportional to 30,340,073.10, 45,516,014.55 and 8,775,378.30

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Solution

The fourth proportional to 30,340,073.10, 45,516,014.55 and 8,775,378.30 is: 13,164,775.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,340,073.10 : 45,516,014.55 = 8,775,378.30 : x
  2. Step 2: Convert to fraction form
    30,340,073.10/45,516,014.55 = 8,775,378.30/x
  3. Step 3: Cross multiply
    30,340,073.10x = 45,516,014.55 × 8,775,378.30
  4. Step 4: Simplify right side
    30,340,073.10x = 399,420,246,384,554.25
  5. Step 5: Solve for x
    x = 399,420,246,384,554.25/30,340,073.10
  6. Step 6: Final answer
    x = 13,164,775.35

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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.