Home / 8,308,861.74-11,472,302.16-5,370,417.05

Finding the Fourth Proportional to 8,308,861.74, 11,472,302.16 and 5,370,417.05

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Solution

The fourth proportional to 8,308,861.74, 11,472,302.16 and 5,370,417.05 is: 7,415,100.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,308,861.74 : 11,472,302.16 = 5,370,417.05 : x
  2. Step 2: Convert to fraction form
    8,308,861.74/11,472,302.16 = 5,370,417.05/x
  3. Step 3: Cross multiply
    8,308,861.74x = 11,472,302.16 × 5,370,417.05
  4. Step 4: Simplify right side
    8,308,861.74x = 61,611,047,065,454.32
  5. Step 5: Solve for x
    x = 61,611,047,065,454.32/8,308,861.74
  6. Step 6: Final answer
    x = 7,415,100.77

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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.