Home / 13,709,866.05-18,887,817.68-9,573,345.21

Finding the Fourth Proportional to 13,709,866.05, 18,887,817.68 and 9,573,345.21

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Solution

The fourth proportional to 13,709,866.05, 18,887,817.68 and 9,573,345.21 is: 13,189,012.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,709,866.05 : 18,887,817.68 = 9,573,345.21 : x
  2. Step 2: Convert to fraction form
    13,709,866.05/18,887,817.68 = 9,573,345.21/x
  3. Step 3: Cross multiply
    13,709,866.05x = 18,887,817.68 × 9,573,345.21
  4. Step 4: Simplify right side
    13,709,866.05x = 180,819,598,771,875.50
  5. Step 5: Solve for x
    x = 180,819,598,771,875.50/13,709,866.05
  6. Step 6: Final answer
    x = 13,189,012.80

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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.