Home / 42,874,830.44-64,276,095.66-18,595,478.20

Finding the Fourth Proportional to 42,874,830.44, 64,276,095.66 and 18,595,478.20

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Solution

The fourth proportional to 42,874,830.44, 64,276,095.66 and 18,595,478.20 is: 27,877,538.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    42,874,830.44 : 64,276,095.66 = 18,595,478.20 : x
  2. Step 2: Convert to fraction form
    42,874,830.44/64,276,095.66 = 18,595,478.20/x
  3. Step 3: Cross multiply
    42,874,830.44x = 64,276,095.66 × 18,595,478.20
  4. Step 4: Simplify right side
    42,874,830.44x = 1,195,244,735,626,644.50
  5. Step 5: Solve for x
    x = 1,195,244,735,626,644.50/42,874,830.44
  6. Step 6: Final answer
    x = 27,877,538.48

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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.