Home / 30,286,526.54-45,441,239.28-11,855,643.60

Finding the Fourth Proportional to 30,286,526.54, 45,441,239.28 and 11,855,643.60

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Solution

The fourth proportional to 30,286,526.54, 45,441,239.28 and 11,855,643.60 is: 17,787,947.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,286,526.54 : 45,441,239.28 = 11,855,643.60 : x
  2. Step 2: Convert to fraction form
    30,286,526.54/45,441,239.28 = 11,855,643.60/x
  3. Step 3: Cross multiply
    30,286,526.54x = 45,441,239.28 × 11,855,643.60
  4. Step 4: Simplify right side
    30,286,526.54x = 538,735,137,646,000.62
  5. Step 5: Solve for x
    x = 538,735,137,646,000.62/30,286,526.54
  6. Step 6: Final answer
    x = 17,787,947.29

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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.