Home / 30,340,068.10-45,516,007.05-8,775,373.30

Finding the Fourth Proportional to 30,340,068.10, 45,516,007.05 and 8,775,373.30

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Solution

The fourth proportional to 30,340,068.10, 45,516,007.05 and 8,775,373.30 is: 13,164,767.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,340,068.10 : 45,516,007.05 = 8,775,373.30 : x
  2. Step 2: Convert to fraction form
    30,340,068.10/45,516,007.05 = 8,775,373.30/x
  3. Step 3: Cross multiply
    30,340,068.10x = 45,516,007.05 × 8,775,373.30
  4. Step 4: Simplify right side
    30,340,068.10x = 399,419,952,989,181.75
  5. Step 5: Solve for x
    x = 399,419,952,989,181.75/30,340,068.10
  6. Step 6: Final answer
    x = 13,164,767.85

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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.