Home / 20,402,207.42-30,615,268.55-14,638,729.77

Finding the Fourth Proportional to 20,402,207.42, 30,615,268.55 and 14,638,729.77

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Solution

The fourth proportional to 20,402,207.42, 30,615,268.55 and 14,638,729.77 is: 21,966,674.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,402,207.42 : 30,615,268.55 = 14,638,729.77 : x
  2. Step 2: Convert to fraction form
    20,402,207.42/30,615,268.55 = 14,638,729.77/x
  3. Step 3: Cross multiply
    20,402,207.42x = 30,615,268.55 × 14,638,729.77
  4. Step 4: Simplify right side
    20,402,207.42x = 448,168,643,066,236.12
  5. Step 5: Solve for x
    x = 448,168,643,066,236.12/20,402,207.42
  6. Step 6: Final answer
    x = 21,966,674.19

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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.