Home / 28,477,168.74-42,715,300.63-6,911,948.90

Finding the Fourth Proportional to 28,477,168.74, 42,715,300.63 and 6,911,948.90

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Solution

The fourth proportional to 28,477,168.74, 42,715,300.63 and 6,911,948.90 is: 10,367,813.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,477,168.74 : 42,715,300.63 = 6,911,948.90 : x
  2. Step 2: Convert to fraction form
    28,477,168.74/42,715,300.63 = 6,911,948.90/x
  3. Step 3: Cross multiply
    28,477,168.74x = 42,715,300.63 × 6,911,948.90
  4. Step 4: Simplify right side
    28,477,168.74x = 295,245,975,202,697.81
  5. Step 5: Solve for x
    x = 295,245,975,202,697.81/28,477,168.74
  6. Step 6: Final answer
    x = 10,367,813.52

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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.