Home / 22,429,816.08-30,954,967.65-12,640,923.24

Finding the Fourth Proportional to 22,429,816.08, 30,954,967.65 and 12,640,923.24

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Solution

The fourth proportional to 22,429,816.08, 30,954,967.65 and 12,640,923.24 is: 17,445,500.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,429,816.08 : 30,954,967.65 = 12,640,923.24 : x
  2. Step 2: Convert to fraction form
    22,429,816.08/30,954,967.65 = 12,640,923.24/x
  3. Step 3: Cross multiply
    22,429,816.08x = 30,954,967.65 × 12,640,923.24
  4. Step 4: Simplify right side
    22,429,816.08x = 391,299,369,960,333.19
  5. Step 5: Solve for x
    x = 391,299,369,960,333.19/22,429,816.08
  6. Step 6: Final answer
    x = 17,445,500.60

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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.