Home / 20,328,348.69-30,492,916.08-4,975,772.70

Finding the Fourth Proportional to 20,328,348.69, 30,492,916.08 and 4,975,772.70

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Solution

The fourth proportional to 20,328,348.69, 30,492,916.08 and 4,975,772.70 is: 7,463,755.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,328,348.69 : 30,492,916.08 = 4,975,772.70 : x
  2. Step 2: Convert to fraction form
    20,328,348.69/30,492,916.08 = 4,975,772.70/x
  3. Step 3: Cross multiply
    20,328,348.69x = 30,492,916.08 × 4,975,772.70
  4. Step 4: Simplify right side
    20,328,348.69x = 151,725,819,374,255
  5. Step 5: Solve for x
    x = 151,725,819,374,255/20,328,348.69
  6. Step 6: Final answer
    x = 7,463,755.26

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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.