Home / 16,804,985.20-25,186,482.60-12,312,012.40

Finding the Fourth Proportional to 16,804,985.20, 25,186,482.60 and 12,312,012.40

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Solution

The fourth proportional to 16,804,985.20, 25,186,482.60 and 12,312,012.40 is: 18,452,636.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,804,985.20 : 25,186,482.60 = 12,312,012.40 : x
  2. Step 2: Convert to fraction form
    16,804,985.20/25,186,482.60 = 12,312,012.40/x
  3. Step 3: Cross multiply
    16,804,985.20x = 25,186,482.60 × 12,312,012.40
  4. Step 4: Simplify right side
    16,804,985.20x = 310,096,286,083,584.25
  5. Step 5: Solve for x
    x = 310,096,286,083,584.25/16,804,985.20
  6. Step 6: Final answer
    x = 18,452,636.67

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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.