Home / 30,208,220.20-45,312,330.30-8,644,108.60

Finding the Fourth Proportional to 30,208,220.20, 45,312,330.30 and 8,644,108.60

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Solution

The fourth proportional to 30,208,220.20, 45,312,330.30 and 8,644,108.60 is: 12,966,162.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,208,220.20 : 45,312,330.30 = 8,644,108.60 : x
  2. Step 2: Convert to fraction form
    30,208,220.20/45,312,330.30 = 8,644,108.60/x
  3. Step 3: Cross multiply
    30,208,220.20x = 45,312,330.30 × 8,644,108.60
  4. Step 4: Simplify right side
    30,208,220.20x = 391,684,704,032,270.56
  5. Step 5: Solve for x
    x = 391,684,704,032,270.56/30,208,220.20
  6. Step 6: Final answer
    x = 12,966,162.90

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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.