Home / 13,632,726.48-18,812,505.96-7,437,404.40

Finding the Fourth Proportional to 13,632,726.48, 18,812,505.96 and 7,437,404.40

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Solution

The fourth proportional to 13,632,726.48, 18,812,505.96 and 7,437,404.40 is: 10,263,259.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,632,726.48 : 18,812,505.96 = 7,437,404.40 : x
  2. Step 2: Convert to fraction form
    13,632,726.48/18,812,505.96 = 7,437,404.40/x
  3. Step 3: Cross multiply
    13,632,726.48x = 18,812,505.96 × 7,437,404.40
  4. Step 4: Simplify right side
    13,632,726.48x = 139,916,214,601,930.23
  5. Step 5: Solve for x
    x = 139,916,214,601,930.23/13,632,726.48
  6. Step 6: Final answer
    x = 10,263,259.87

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1.5x scale

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.