Home / 15,338,495.05-21,174,793.13-9,539,145.34

Finding the Fourth Proportional to 15,338,495.05, 21,174,793.13 and 9,539,145.34

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Solution

The fourth proportional to 15,338,495.05, 21,174,793.13 and 9,539,145.34 is: 13,168,790.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,338,495.05 : 21,174,793.13 = 9,539,145.34 : x
  2. Step 2: Convert to fraction form
    15,338,495.05/21,174,793.13 = 9,539,145.34/x
  3. Step 3: Cross multiply
    15,338,495.05x = 21,174,793.13 × 9,539,145.34
  4. Step 4: Simplify right side
    15,338,495.05x = 201,989,429,211,503.50
  5. Step 5: Solve for x
    x = 201,989,429,211,503.50/15,338,495.05
  6. Step 6: Final answer
    x = 13,168,790.59

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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.