Home / 28,124,992.80-42,188,871.60-14,688,064.80

Finding the Fourth Proportional to 28,124,992.80, 42,188,871.60 and 14,688,064.80

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Solution

The fourth proportional to 28,124,992.80, 42,188,871.60 and 14,688,064.80 is: 22,032,819.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,124,992.80 : 42,188,871.60 = 14,688,064.80 : x
  2. Step 2: Convert to fraction form
    28,124,992.80/42,188,871.60 = 14,688,064.80/x
  3. Step 3: Cross multiply
    28,124,992.80x = 42,188,871.60 × 14,688,064.80
  4. Step 4: Simplify right side
    28,124,992.80x = 619,672,879,899,679.75
  5. Step 5: Solve for x
    x = 619,672,879,899,679.75/28,124,992.80
  6. Step 6: Final answer
    x = 22,032,819.15

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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.