Home / 20,698,770.56-28,564,492.29-11,406,674.03

Finding the Fourth Proportional to 20,698,770.56, 28,564,492.29 and 11,406,674.03

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Solution

The fourth proportional to 20,698,770.56, 28,564,492.29 and 11,406,674.03 is: 15,741,314.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,698,770.56 : 28,564,492.29 = 11,406,674.03 : x
  2. Step 2: Convert to fraction form
    20,698,770.56/28,564,492.29 = 11,406,674.03/x
  3. Step 3: Cross multiply
    20,698,770.56x = 28,564,492.29 × 11,406,674.03
  4. Step 4: Simplify right side
    20,698,770.56x = 325,825,852,241,655.75
  5. Step 5: Solve for x
    x = 325,825,852,241,655.75/20,698,770.56
  6. Step 6: Final answer
    x = 15,741,314.27

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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.