Home / 42,245,011.92-63,381,164.76-19,540,802.64

Finding the Fourth Proportional to 42,245,011.92, 63,381,164.76 and 19,540,802.64

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Solution

The fourth proportional to 42,245,011.92, 63,381,164.76 and 19,540,802.64 is: 29,317,516.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    42,245,011.92 : 63,381,164.76 = 19,540,802.64 : x
  2. Step 2: Convert to fraction form
    42,245,011.92/63,381,164.76 = 19,540,802.64/x
  3. Step 3: Cross multiply
    42,245,011.92x = 63,381,164.76 × 19,540,802.64
  4. Step 4: Simplify right side
    42,245,011.92x = 1,238,518,831,668,483
  5. Step 5: Solve for x
    x = 1,238,518,831,668,483/42,245,011.92
  6. Step 6: Final answer
    x = 29,317,516.44

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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.