Home / 22,724,668.45-31,360,721.58-12,411,878.05

Finding the Fourth Proportional to 22,724,668.45, 31,360,721.58 and 12,411,878.05

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Solution

The fourth proportional to 22,724,668.45, 31,360,721.58 and 12,411,878.05 is: 17,128,762.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,724,668.45 : 31,360,721.58 = 12,411,878.05 : x
  2. Step 2: Convert to fraction form
    22,724,668.45/31,360,721.58 = 12,411,878.05/x
  3. Step 3: Cross multiply
    22,724,668.45x = 31,360,721.58 × 12,411,878.05
  4. Step 4: Simplify right side
    22,724,668.45x = 389,245,451,810,963.31
  5. Step 5: Solve for x
    x = 389,245,451,810,963.31/22,724,668.45
  6. Step 6: Final answer
    x = 17,128,762.63

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.