Home / 13,085,255.60-18,059,347.68-7,505,678.96

Finding the Fourth Proportional to 13,085,255.60, 18,059,347.68 and 7,505,678.96

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Solution

The fourth proportional to 13,085,255.60, 18,059,347.68 and 7,505,678.96 is: 10,358,809.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,085,255.60 : 18,059,347.68 = 7,505,678.96 : x
  2. Step 2: Convert to fraction form
    13,085,255.60/18,059,347.68 = 7,505,678.96/x
  3. Step 3: Cross multiply
    13,085,255.60x = 18,059,347.68 × 7,505,678.96
  4. Step 4: Simplify right side
    13,085,255.60x = 135,547,665,913,100.81
  5. Step 5: Solve for x
    x = 135,547,665,913,100.81/13,085,255.60
  6. Step 6: Final answer
    x = 10,358,809.19

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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.