Home / 18,830,322.28-28,245,483.78-5,366,800.36

Finding the Fourth Proportional to 18,830,322.28, 28,245,483.78 and 5,366,800.36

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Solution

The fourth proportional to 18,830,322.28, 28,245,483.78 and 5,366,800.36 is: 8,050,200.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,830,322.28 : 28,245,483.78 = 5,366,800.36 : x
  2. Step 2: Convert to fraction form
    18,830,322.28/28,245,483.78 = 5,366,800.36/x
  3. Step 3: Cross multiply
    18,830,322.28x = 28,245,483.78 × 5,366,800.36
  4. Step 4: Simplify right side
    18,830,322.28x = 151,587,872,518,878.19
  5. Step 5: Solve for x
    x = 151,587,872,518,878.19/18,830,322.28
  6. Step 6: Final answer
    x = 8,050,200.64

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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.