Home / 23,131,421.01-31,921,548.53-12,818,316.33

Finding the Fourth Proportional to 23,131,421.01, 31,921,548.53 and 12,818,316.33

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Solution

The fourth proportional to 23,131,421.01, 31,921,548.53 and 12,818,316.33 is: 17,689,380.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    23,131,421.01 : 31,921,548.53 = 12,818,316.33 : x
  2. Step 2: Convert to fraction form
    23,131,421.01/31,921,548.53 = 12,818,316.33/x
  3. Step 3: Cross multiply
    23,131,421.01x = 31,921,548.53 × 12,818,316.33
  4. Step 4: Simplify right side
    23,131,421.01x = 409,180,506,736,894.88
  5. Step 5: Solve for x
    x = 409,180,506,736,894.88/23,131,421.01
  6. Step 6: Final answer
    x = 17,689,380.46

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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.