Home / 20,351,929.59-28,085,838.35-11,059,497.81

Finding the Fourth Proportional to 20,351,929.59, 28,085,838.35 and 11,059,497.81

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Solution

The fourth proportional to 20,351,929.59, 28,085,838.35 and 11,059,497.81 is: 15,262,202.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,351,929.59 : 28,085,838.35 = 11,059,497.81 : x
  2. Step 2: Convert to fraction form
    20,351,929.59/28,085,838.35 = 11,059,497.81/x
  3. Step 3: Cross multiply
    20,351,929.59x = 28,085,838.35 × 11,059,497.81
  4. Step 4: Simplify right side
    20,351,929.59x = 310,615,267,668,541.50
  5. Step 5: Solve for x
    x = 310,615,267,668,541.50/20,351,929.59
  6. Step 6: Final answer
    x = 15,262,202.35

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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.