Home / 20,735,439.84-31,117,042.80-8,604,915.84

Finding the Fourth Proportional to 20,735,439.84, 31,117,042.80 and 8,604,915.84

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Solution

The fourth proportional to 20,735,439.84, 31,117,042.80 and 8,604,915.84 is: 12,913,135.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,735,439.84 : 31,117,042.80 = 8,604,915.84 : x
  2. Step 2: Convert to fraction form
    20,735,439.84/31,117,042.80 = 8,604,915.84/x
  3. Step 3: Cross multiply
    20,735,439.84x = 31,117,042.80 × 8,604,915.84
  4. Step 4: Simplify right side
    20,735,439.84x = 267,759,534,483,677.97
  5. Step 5: Solve for x
    x = 267,759,534,483,677.97/20,735,439.84
  6. Step 6: Final answer
    x = 12,913,135.03

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1.5x scale

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.