Home / 13,383,831.71-20,076,180.72-6,371,423.98

Finding the Fourth Proportional to 13,383,831.71, 20,076,180.72 and 6,371,423.98

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Solution

The fourth proportional to 13,383,831.71, 20,076,180.72 and 6,371,423.98 is: 9,557,342.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,383,831.71 : 20,076,180.72 = 6,371,423.98 : x
  2. Step 2: Convert to fraction form
    13,383,831.71/20,076,180.72 = 6,371,423.98/x
  3. Step 3: Cross multiply
    13,383,831.71x = 20,076,180.72 × 6,371,423.98
  4. Step 4: Simplify right side
    13,383,831.71x = 127,913,859,216,031.20
  5. Step 5: Solve for x
    x = 127,913,859,216,031.20/13,383,831.71
  6. Step 6: Final answer
    x = 9,557,342.17

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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.