Home / 28,072,598.04-42,112,913.85-8,643,467.88

Finding the Fourth Proportional to 28,072,598.04, 42,112,913.85 and 8,643,467.88

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Solution

The fourth proportional to 28,072,598.04, 42,112,913.85 and 8,643,467.88 is: 12,966,438.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,072,598.04 : 42,112,913.85 = 8,643,467.88 : x
  2. Step 2: Convert to fraction form
    28,072,598.04/42,112,913.85 = 8,643,467.88/x
  3. Step 3: Cross multiply
    28,072,598.04x = 42,112,913.85 × 8,643,467.88
  4. Step 4: Simplify right side
    28,072,598.04x = 364,001,618,195,682.19
  5. Step 5: Solve for x
    x = 364,001,618,195,682.19/28,072,598.04
  6. Step 6: Final answer
    x = 12,966,438.58

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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.