Home / 42,082,857.72-63,068,481.63-21,611,750.40

Finding the Fourth Proportional to 42,082,857.72, 63,068,481.63 and 21,611,750.40

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Solution

The fourth proportional to 42,082,857.72, 63,068,481.63 and 21,611,750.40 is: 32,388,966.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    42,082,857.72 : 63,068,481.63 = 21,611,750.40 : x
  2. Step 2: Convert to fraction form
    42,082,857.72/63,068,481.63 = 21,611,750.40/x
  3. Step 3: Cross multiply
    42,082,857.72x = 63,068,481.63 × 21,611,750.40
  4. Step 4: Simplify right side
    42,082,857.72x = 1,363,020,283,094,545
  5. Step 5: Solve for x
    x = 1,363,020,283,094,545/42,082,857.72
  6. Step 6: Final answer
    x = 32,388,966.84

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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.