Home / 30,033,130.04-41,479,933.78-20,358,541.88

Finding the Fourth Proportional to 30,033,130.04, 41,479,933.78 and 20,358,541.88

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Solution

The fourth proportional to 30,033,130.04, 41,479,933.78 and 20,358,541.88 is: 28,117,980.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,033,130.04 : 41,479,933.78 = 20,358,541.88 : x
  2. Step 2: Convert to fraction form
    30,033,130.04/41,479,933.78 = 20,358,541.88/x
  3. Step 3: Cross multiply
    30,033,130.04x = 41,479,933.78 × 20,358,541.88
  4. Step 4: Simplify right side
    30,033,130.04x = 844,470,969,039,756.62
  5. Step 5: Solve for x
    x = 844,470,969,039,756.62/30,033,130.04
  6. Step 6: Final answer
    x = 28,117,980.64

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.