Home / 28,308,041.20-42,462,061.80-16,942,639.60

Finding the Fourth Proportional to 28,308,041.20, 42,462,061.80 and 16,942,639.60

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Solution

The fourth proportional to 28,308,041.20, 42,462,061.80 and 16,942,639.60 is: 25,413,959.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,308,041.20 : 42,462,061.80 = 16,942,639.60 : x
  2. Step 2: Convert to fraction form
    28,308,041.20/42,462,061.80 = 16,942,639.60/x
  3. Step 3: Cross multiply
    28,308,041.20x = 42,462,061.80 × 16,942,639.60
  4. Step 4: Simplify right side
    28,308,041.20x = 719,419,409,750,327.25
  5. Step 5: Solve for x
    x = 719,419,409,750,327.25/28,308,041.20
  6. Step 6: Final answer
    x = 25,413,959.40

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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.