Home / 28,963,669.20-43,445,503.80-8,769,915.60

Finding the Fourth Proportional to 28,963,669.20, 43,445,503.80 and 8,769,915.60

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Solution

The fourth proportional to 28,963,669.20, 43,445,503.80 and 8,769,915.60 is: 13,154,873.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,963,669.20 : 43,445,503.80 = 8,769,915.60 : x
  2. Step 2: Convert to fraction form
    28,963,669.20/43,445,503.80 = 8,769,915.60/x
  3. Step 3: Cross multiply
    28,963,669.20x = 43,445,503.80 × 8,769,915.60
  4. Step 4: Simplify right side
    28,963,669.20x = 381,013,401,525,479.25
  5. Step 5: Solve for x
    x = 381,013,401,525,479.25/28,963,669.20
  6. Step 6: Final answer
    x = 13,154,873.40

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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.