Home / 30,731,856.40-46,100,117.40-9,164,774.80

Finding the Fourth Proportional to 30,731,856.40, 46,100,117.40 and 9,164,774.80

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Solution

The fourth proportional to 30,731,856.40, 46,100,117.40 and 9,164,774.80 is: 13,747,857.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,731,856.40 : 46,100,117.40 = 9,164,774.80 : x
  2. Step 2: Convert to fraction form
    30,731,856.40/46,100,117.40 = 9,164,774.80/x
  3. Step 3: Cross multiply
    30,731,856.40x = 46,100,117.40 × 9,164,774.80
  4. Step 4: Simplify right side
    30,731,856.40x = 422,497,194,224,561.56
  5. Step 5: Solve for x
    x = 422,497,194,224,561.56/30,731,856.40
  6. Step 6: Final answer
    x = 13,747,857.88

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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.