Home / 28,374,384.40-42,567,555.24-9,203,646.80

Finding the Fourth Proportional to 28,374,384.40, 42,567,555.24 and 9,203,646.80

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Solution

The fourth proportional to 28,374,384.40, 42,567,555.24 and 9,203,646.80 is: 13,807,409.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,374,384.40 : 42,567,555.24 = 9,203,646.80 : x
  2. Step 2: Convert to fraction form
    28,374,384.40/42,567,555.24 = 9,203,646.80/x
  3. Step 3: Cross multiply
    28,374,384.40x = 42,567,555.24 × 9,203,646.80
  4. Step 4: Simplify right side
    28,374,384.40x = 391,776,743,568,449.31
  5. Step 5: Solve for x
    x = 391,776,743,568,449.31/28,374,384.40
  6. Step 6: Final answer
    x = 13,807,409.46

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1.5x scale

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.