Home / 27,218,205.10-40,827,307.65-12,072,136.60

Finding the Fourth Proportional to 27,218,205.10, 40,827,307.65 and 12,072,136.60

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Solution

The fourth proportional to 27,218,205.10, 40,827,307.65 and 12,072,136.60 is: 18,108,204.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,218,205.10 : 40,827,307.65 = 12,072,136.60 : x
  2. Step 2: Convert to fraction form
    27,218,205.10/40,827,307.65 = 12,072,136.60/x
  3. Step 3: Cross multiply
    27,218,205.10x = 40,827,307.65 × 12,072,136.60
  4. Step 4: Simplify right side
    27,218,205.10x = 492,872,834,961,024.94
  5. Step 5: Solve for x
    x = 492,872,834,961,024.94/27,218,205.10
  6. Step 6: Final answer
    x = 18,108,204.90

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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.