Home / 28,969,848.40-43,460,021.40-14,556,643.60

Finding the Fourth Proportional to 28,969,848.40, 43,460,021.40 and 14,556,643.60

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Solution

The fourth proportional to 28,969,848.40, 43,460,021.40 and 14,556,643.60 is: 21,837,602.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,969,848.40 : 43,460,021.40 = 14,556,643.60 : x
  2. Step 2: Convert to fraction form
    28,969,848.40/43,460,021.40 = 14,556,643.60/x
  3. Step 3: Cross multiply
    28,969,848.40x = 43,460,021.40 × 14,556,643.60
  4. Step 4: Simplify right side
    28,969,848.40x = 632,632,042,368,173
  5. Step 5: Solve for x
    x = 632,632,042,368,173/28,969,848.40
  6. Step 6: Final answer
    x = 21,837,602.79

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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.