Home / 14,276,568.90-21,388,871.52-12,746,018.82

Finding the Fourth Proportional to 14,276,568.90, 21,388,871.52 and 12,746,018.82

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Solution

The fourth proportional to 14,276,568.90, 21,388,871.52 and 12,746,018.82 is: 19,095,831.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,276,568.90 : 21,388,871.52 = 12,746,018.82 : x
  2. Step 2: Convert to fraction form
    14,276,568.90/21,388,871.52 = 12,746,018.82/x
  3. Step 3: Cross multiply
    14,276,568.90x = 21,388,871.52 × 12,746,018.82
  4. Step 4: Simplify right side
    14,276,568.90x = 272,622,958,932,482
  5. Step 5: Solve for x
    x = 272,622,958,932,482/14,276,568.90
  6. Step 6: Final answer
    x = 19,095,831.84

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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.