Home / 28,371,026.40-42,556,539.60-16,389,765.60

Finding the Fourth Proportional to 28,371,026.40, 42,556,539.60 and 16,389,765.60

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Solution

The fourth proportional to 28,371,026.40, 42,556,539.60 and 16,389,765.60 is: 24,584,648.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,371,026.40 : 42,556,539.60 = 16,389,765.60 : x
  2. Step 2: Convert to fraction form
    28,371,026.40/42,556,539.60 = 16,389,765.60/x
  3. Step 3: Cross multiply
    28,371,026.40x = 42,556,539.60 × 16,389,765.60
  4. Step 4: Simplify right side
    28,371,026.40x = 697,491,708,791,117.75
  5. Step 5: Solve for x
    x = 697,491,708,791,117.75/28,371,026.40
  6. Step 6: Final answer
    x = 24,584,648.40

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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.