Home / 13,338,622.40-18,407,311.21-7,227,050.90

Finding the Fourth Proportional to 13,338,622.40, 18,407,311.21 and 7,227,050.90

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Solution

The fourth proportional to 13,338,622.40, 18,407,311.21 and 7,227,050.90 is: 9,973,336.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,338,622.40 : 18,407,311.21 = 7,227,050.90 : x
  2. Step 2: Convert to fraction form
    13,338,622.40/18,407,311.21 = 7,227,050.90/x
  3. Step 3: Cross multiply
    13,338,622.40x = 18,407,311.21 × 7,227,050.90
  4. Step 4: Simplify right side
    13,338,622.40x = 133,030,575,046,810.61
  5. Step 5: Solve for x
    x = 133,030,575,046,810.61/13,338,622.40
  6. Step 6: Final answer
    x = 9,973,336.91

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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.