Home / 28,449,215.38-42,630,717.03-18,830,133.28

Finding the Fourth Proportional to 28,449,215.38, 42,630,717.03 and 18,830,133.28

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Solution

The fourth proportional to 28,449,215.38, 42,630,717.03 and 18,830,133.28 is: 28,216,668.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,449,215.38 : 42,630,717.03 = 18,830,133.28 : x
  2. Step 2: Convert to fraction form
    28,449,215.38/42,630,717.03 = 18,830,133.28/x
  3. Step 3: Cross multiply
    28,449,215.38x = 42,630,717.03 × 18,830,133.28
  4. Step 4: Simplify right side
    28,449,215.38x = 802,742,083,496,865.88
  5. Step 5: Solve for x
    x = 802,742,083,496,865.88/28,449,215.38
  6. Step 6: Final answer
    x = 28,216,668.64

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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.