Home / 28,043,401.20-42,065,101.80-14,438,511.60

Finding the Fourth Proportional to 28,043,401.20, 42,065,101.80 and 14,438,511.60

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Solution

The fourth proportional to 28,043,401.20, 42,065,101.80 and 14,438,511.60 is: 21,657,767.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,043,401.20 : 42,065,101.80 = 14,438,511.60 : x
  2. Step 2: Convert to fraction form
    28,043,401.20/42,065,101.80 = 14,438,511.60/x
  3. Step 3: Cross multiply
    28,043,401.20x = 42,065,101.80 × 14,438,511.60
  4. Step 4: Simplify right side
    28,043,401.20x = 607,357,460,294,480.88
  5. Step 5: Solve for x
    x = 607,357,460,294,480.88/28,043,401.20
  6. Step 6: Final answer
    x = 21,657,767.40

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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.