Home / 28,018,435.60-42,045,368.10-16,503,880.60

Finding the Fourth Proportional to 28,018,435.60, 42,045,368.10 and 16,503,880.60

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Solution

The fourth proportional to 28,018,435.60, 42,045,368.10 and 16,503,880.60 is: 24,766,255.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,018,435.60 : 42,045,368.10 = 16,503,880.60 : x
  2. Step 2: Convert to fraction form
    28,018,435.60/42,045,368.10 = 16,503,880.60/x
  3. Step 3: Cross multiply
    28,018,435.60x = 42,045,368.10 × 16,503,880.60
  4. Step 4: Simplify right side
    28,018,435.60x = 693,911,734,905,448.88
  5. Step 5: Solve for x
    x = 693,911,734,905,448.88/28,018,435.60
  6. Step 6: Final answer
    x = 24,766,255.50

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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.