Home / 28,152,002.70-42,174,859.95-14,458,539.60

Finding the Fourth Proportional to 28,152,002.70, 42,174,859.95 and 14,458,539.60

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Solution

The fourth proportional to 28,152,002.70, 42,174,859.95 and 14,458,539.60 is: 21,660,515.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,152,002.70 : 42,174,859.95 = 14,458,539.60 : x
  2. Step 2: Convert to fraction form
    28,152,002.70/42,174,859.95 = 14,458,539.60/x
  3. Step 3: Cross multiply
    28,152,002.70x = 42,174,859.95 × 14,458,539.60
  4. Step 4: Simplify right side
    28,152,002.70x = 609,786,882,711,529
  5. Step 5: Solve for x
    x = 609,786,882,711,529/28,152,002.70
  6. Step 6: Final answer
    x = 21,660,515.21

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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.