Home / 19,020,789.09-28,532,370.08-5,374,980.72

Finding the Fourth Proportional to 19,020,789.09, 28,532,370.08 and 5,374,980.72

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Solution

The fourth proportional to 19,020,789.09, 28,532,370.08 and 5,374,980.72 is: 8,062,806.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,020,789.09 : 28,532,370.08 = 5,374,980.72 : x
  2. Step 2: Convert to fraction form
    19,020,789.09/28,532,370.08 = 5,374,980.72/x
  3. Step 3: Cross multiply
    19,020,789.09x = 28,532,370.08 × 5,374,980.72
  4. Step 4: Simplify right side
    19,020,789.09x = 153,360,939,089,342.31
  5. Step 5: Solve for x
    x = 153,360,939,089,342.31/19,020,789.09
  6. Step 6: Final answer
    x = 8,062,806.35

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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.