Home / 21,291,866.15-31,938,052.67-5,938,221.67

Finding the Fourth Proportional to 21,291,866.15, 31,938,052.67 and 5,938,221.67

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Solution

The fourth proportional to 21,291,866.15, 31,938,052.67 and 5,938,221.67 is: 8,907,403.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,291,866.15 : 31,938,052.67 = 5,938,221.67 : x
  2. Step 2: Convert to fraction form
    21,291,866.15/31,938,052.67 = 5,938,221.67/x
  3. Step 3: Cross multiply
    21,291,866.15x = 31,938,052.67 × 5,938,221.67
  4. Step 4: Simplify right side
    21,291,866.15x = 189,655,236,462,595.38
  5. Step 5: Solve for x
    x = 189,655,236,462,595.38/21,291,866.15
  6. Step 6: Final answer
    x = 8,907,403.19

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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.