Home / 19,570,619.70-29,355,929.55-8,219,214.90

Finding the Fourth Proportional to 19,570,619.70, 29,355,929.55 and 8,219,214.90

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Solution

The fourth proportional to 19,570,619.70, 29,355,929.55 and 8,219,214.90 is: 12,328,822.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,570,619.70 : 29,355,929.55 = 8,219,214.90 : x
  2. Step 2: Convert to fraction form
    19,570,619.70/29,355,929.55 = 8,219,214.90/x
  3. Step 3: Cross multiply
    19,570,619.70x = 29,355,929.55 × 8,219,214.90
  4. Step 4: Simplify right side
    19,570,619.70x = 241,282,693,560,710.31
  5. Step 5: Solve for x
    x = 241,282,693,560,710.31/19,570,619.70
  6. Step 6: Final answer
    x = 12,328,822.35

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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.