Home / 28,106,040.80-42,159,061.20-16,768,632.80

Finding the Fourth Proportional to 28,106,040.80, 42,159,061.20 and 16,768,632.80

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Solution

The fourth proportional to 28,106,040.80, 42,159,061.20 and 16,768,632.80 is: 25,152,949.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,106,040.80 : 42,159,061.20 = 16,768,632.80 : x
  2. Step 2: Convert to fraction form
    28,106,040.80/42,159,061.20 = 16,768,632.80/x
  3. Step 3: Cross multiply
    28,106,040.80x = 42,159,061.20 × 16,768,632.80
  4. Step 4: Simplify right side
    28,106,040.80x = 706,949,816,455,527.50
  5. Step 5: Solve for x
    x = 706,949,816,455,527.50/28,106,040.80
  6. Step 6: Final answer
    x = 25,152,949.20

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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.