Home / 20,938,448.25-31,407,683.85-9,570,925.26

Finding the Fourth Proportional to 20,938,448.25, 31,407,683.85 and 9,570,925.26

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Solution

The fourth proportional to 20,938,448.25, 31,407,683.85 and 9,570,925.26 is: 14,356,393.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,938,448.25 : 31,407,683.85 = 9,570,925.26 : x
  2. Step 2: Convert to fraction form
    20,938,448.25/31,407,683.85 = 9,570,925.26/x
  3. Step 3: Cross multiply
    20,938,448.25x = 31,407,683.85 × 9,570,925.26
  4. Step 4: Simplify right side
    20,938,448.25x = 300,600,594,718,059.06
  5. Step 5: Solve for x
    x = 300,600,594,718,059.06/20,938,448.25
  6. Step 6: Final answer
    x = 14,356,393.14

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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.