Home / 20,010,870.40-30,030,302.40-8,659,465.60

Finding the Fourth Proportional to 20,010,870.40, 30,030,302.40 and 8,659,465.60

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Solution

The fourth proportional to 20,010,870.40, 30,030,302.40 and 8,659,465.60 is: 12,995,255.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,010,870.40 : 30,030,302.40 = 8,659,465.60 : x
  2. Step 2: Convert to fraction form
    20,010,870.40/30,030,302.40 = 8,659,465.60/x
  3. Step 3: Cross multiply
    20,010,870.40x = 30,030,302.40 × 8,659,465.60
  4. Step 4: Simplify right side
    20,010,870.40x = 260,046,370,590,397.41
  5. Step 5: Solve for x
    x = 260,046,370,590,397.41/20,010,870.40
  6. Step 6: Final answer
    x = 12,995,255.35

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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.