Home / 38,852,268-53,616,564.96-21,448,624.32

Finding the Fourth Proportional to 38,852,268, 53,616,564.96 and 21,448,624.32

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Solution

The fourth proportional to 38,852,268, 53,616,564.96 and 21,448,624.32 is: 29,599,341.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,852,268 : 53,616,564.96 = 21,448,624.32 : x
  2. Step 2: Convert to fraction form
    38,852,268/53,616,564.96 = 21,448,624.32/x
  3. Step 3: Cross multiply
    38,852,268x = 53,616,564.96 × 21,448,624.32
  4. Step 4: Simplify right side
    38,852,268x = 1,150,001,559,155,915.75
  5. Step 5: Solve for x
    x = 1,150,001,559,155,915.75/38,852,268
  6. Step 6: Final answer
    x = 29,599,341.77

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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.