Home / 28,685,054.74-39,584,370.09-15,632,047.30

Finding the Fourth Proportional to 28,685,054.74, 39,584,370.09 and 15,632,047.30

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Solution

The fourth proportional to 28,685,054.74, 39,584,370.09 and 15,632,047.30 is: 21,571,677.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,685,054.74 : 39,584,370.09 = 15,632,047.30 : x
  2. Step 2: Convert to fraction form
    28,685,054.74/39,584,370.09 = 15,632,047.30/x
  3. Step 3: Cross multiply
    28,685,054.74x = 39,584,370.09 × 15,632,047.30
  4. Step 4: Simplify right side
    28,685,054.74x = 618,784,745,389,663.50
  5. Step 5: Solve for x
    x = 618,784,745,389,663.50/28,685,054.74
  6. Step 6: Final answer
    x = 21,571,677.35

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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.