Home / 28,314,853.63-39,073,206.50-15,756,529.15

Finding the Fourth Proportional to 28,314,853.63, 39,073,206.50 and 15,756,529.15

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Solution

The fourth proportional to 28,314,853.63, 39,073,206.50 and 15,756,529.15 is: 21,743,291.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,314,853.63 : 39,073,206.50 = 15,756,529.15 : x
  2. Step 2: Convert to fraction form
    28,314,853.63/39,073,206.50 = 15,756,529.15/x
  3. Step 3: Cross multiply
    28,314,853.63x = 39,073,206.50 × 15,756,529.15
  4. Step 4: Simplify right side
    28,314,853.63x = 615,658,117,230,365.25
  5. Step 5: Solve for x
    x = 615,658,117,230,365.25/28,314,853.63
  6. Step 6: Final answer
    x = 21,743,291.54

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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.