Home / 13,604,655.44-20,406,856.50-5,515,708.35

Finding the Fourth Proportional to 13,604,655.44, 20,406,856.50 and 5,515,708.35

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Solution

The fourth proportional to 13,604,655.44, 20,406,856.50 and 5,515,708.35 is: 8,273,511.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,604,655.44 : 20,406,856.50 = 5,515,708.35 : x
  2. Step 2: Convert to fraction form
    13,604,655.44/20,406,856.50 = 5,515,708.35/x
  3. Step 3: Cross multiply
    13,604,655.44x = 20,406,856.50 × 5,515,708.35
  4. Step 4: Simplify right side
    13,604,655.44x = 112,558,268,756,038.91
  5. Step 5: Solve for x
    x = 112,558,268,756,038.91/13,604,655.44
  6. Step 6: Final answer
    x = 8,273,511.17

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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.