Home / 15,051,779.64-20,772,025.71-8,436,489.33

Finding the Fourth Proportional to 15,051,779.64, 20,772,025.71 and 8,436,489.33

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Solution

The fourth proportional to 15,051,779.64, 20,772,025.71 and 8,436,489.33 is: 11,642,674.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,051,779.64 : 20,772,025.71 = 8,436,489.33 : x
  2. Step 2: Convert to fraction form
    15,051,779.64/20,772,025.71 = 8,436,489.33/x
  3. Step 3: Cross multiply
    15,051,779.64x = 20,772,025.71 × 8,436,489.33
  4. Step 4: Simplify right side
    15,051,779.64x = 175,242,973,264,900.69
  5. Step 5: Solve for x
    x = 175,242,973,264,900.69/15,051,779.64
  6. Step 6: Final answer
    x = 11,642,674.65

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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.