Home / 28,446,070.69-39,255,680.91-15,393,328.12

Finding the Fourth Proportional to 28,446,070.69, 39,255,680.91 and 15,393,328.12

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Solution

The fourth proportional to 28,446,070.69, 39,255,680.91 and 15,393,328.12 is: 21,242,848.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,446,070.69 : 39,255,680.91 = 15,393,328.12 : x
  2. Step 2: Convert to fraction form
    28,446,070.69/39,255,680.91 = 15,393,328.12/x
  3. Step 3: Cross multiply
    28,446,070.69x = 39,255,680.91 × 15,393,328.12
  4. Step 4: Simplify right side
    28,446,070.69x = 604,275,576,821,650.12
  5. Step 5: Solve for x
    x = 604,275,576,821,650.12/28,446,070.69
  6. Step 6: Final answer
    x = 21,242,848.74

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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.