Home / 38,495,931.75-53,111,307.42-21,964,180.05

Finding the Fourth Proportional to 38,495,931.75, 53,111,307.42 and 21,964,180.05

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Solution

The fourth proportional to 38,495,931.75, 53,111,307.42 and 21,964,180.05 is: 30,303,106.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,495,931.75 : 53,111,307.42 = 21,964,180.05 : x
  2. Step 2: Convert to fraction form
    38,495,931.75/53,111,307.42 = 21,964,180.05/x
  3. Step 3: Cross multiply
    38,495,931.75x = 53,111,307.42 × 21,964,180.05
  4. Step 4: Simplify right side
    38,495,931.75x = 1,166,546,318,863,781
  5. Step 5: Solve for x
    x = 1,166,546,318,863,781/38,495,931.75
  6. Step 6: Final answer
    x = 30,303,106.48

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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.