Home / 19,875,712.76-29,792,311.32-9,076,831.64

Finding the Fourth Proportional to 19,875,712.76, 29,792,311.32 and 9,076,831.64

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Solution

The fourth proportional to 19,875,712.76, 29,792,311.32 and 9,076,831.64 is: 13,605,539.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,875,712.76 : 29,792,311.32 = 9,076,831.64 : x
  2. Step 2: Convert to fraction form
    19,875,712.76/29,792,311.32 = 9,076,831.64/x
  3. Step 3: Cross multiply
    19,875,712.76x = 29,792,311.32 × 9,076,831.64
  4. Step 4: Simplify right side
    19,875,712.76x = 270,419,794,018,106.19
  5. Step 5: Solve for x
    x = 270,419,794,018,106.19/19,875,712.76
  6. Step 6: Final answer
    x = 13,605,539.45

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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.