Home / 21,017,106.89-31,524,538.80-5,664,150.23

Finding the Fourth Proportional to 21,017,106.89, 31,524,538.80 and 5,664,150.23

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Solution

The fourth proportional to 21,017,106.89, 31,524,538.80 and 5,664,150.23 is: 8,495,923.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,017,106.89 : 31,524,538.80 = 5,664,150.23 : x
  2. Step 2: Convert to fraction form
    21,017,106.89/31,524,538.80 = 5,664,150.23/x
  3. Step 3: Cross multiply
    21,017,106.89x = 31,524,538.80 × 5,664,150.23
  4. Step 4: Simplify right side
    21,017,106.89x = 178,559,723,537,041.22
  5. Step 5: Solve for x
    x = 178,559,723,537,041.22/21,017,106.89
  6. Step 6: Final answer
    x = 8,495,923.08

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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.