Home / 35,808,381.81-53,674,329.38-20,422,547.37

Finding the Fourth Proportional to 35,808,381.81, 53,674,329.38 and 20,422,547.37

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Solution

The fourth proportional to 35,808,381.81, 53,674,329.38 and 20,422,547.37 is: 30,612,009.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    35,808,381.81 : 53,674,329.38 = 20,422,547.37 : x
  2. Step 2: Convert to fraction form
    35,808,381.81/53,674,329.38 = 20,422,547.37/x
  3. Step 3: Cross multiply
    35,808,381.81x = 53,674,329.38 × 20,422,547.37
  4. Step 4: Simplify right side
    35,808,381.81x = 1,096,166,534,213,920
  5. Step 5: Solve for x
    x = 1,096,166,534,213,920/35,808,381.81
  6. Step 6: Final answer
    x = 30,612,009.78

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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.