Home / 20,223,967.86-27,909,202.16-10,931,518.75

Finding the Fourth Proportional to 20,223,967.86, 27,909,202.16 and 10,931,518.75

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Solution

The fourth proportional to 20,223,967.86, 27,909,202.16 and 10,931,518.75 is: 15,085,564.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,223,967.86 : 27,909,202.16 = 10,931,518.75 : x
  2. Step 2: Convert to fraction form
    20,223,967.86/27,909,202.16 = 10,931,518.75/x
  3. Step 3: Cross multiply
    20,223,967.86x = 27,909,202.16 × 10,931,518.75
  4. Step 4: Simplify right side
    20,223,967.86x = 305,089,966,709,580.50
  5. Step 5: Solve for x
    x = 305,089,966,709,580.50/20,223,967.86
  6. Step 6: Final answer
    x = 15,085,564.26

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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.