Home / 20,173,130.96-30,256,448.72-5,792,928

Finding the Fourth Proportional to 20,173,130.96, 30,256,448.72 and 5,792,928

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Solution

The fourth proportional to 20,173,130.96, 30,256,448.72 and 5,792,928 is: 8,688,459.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,173,130.96 : 30,256,448.72 = 5,792,928 : x
  2. Step 2: Convert to fraction form
    20,173,130.96/30,256,448.72 = 5,792,928/x
  3. Step 3: Cross multiply
    20,173,130.96x = 30,256,448.72 × 5,792,928
  4. Step 4: Simplify right side
    20,173,130.96x = 175,273,428,970,652.16
  5. Step 5: Solve for x
    x = 175,273,428,970,652.16/20,173,130.96
  6. Step 6: Final answer
    x = 8,688,459.38

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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.