Home / 20,406,245.10-30,609,367.65-14,036,145.90

Finding the Fourth Proportional to 20,406,245.10, 30,609,367.65 and 14,036,145.90

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Solution

The fourth proportional to 20,406,245.10, 30,609,367.65 and 14,036,145.90 is: 21,054,218.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,406,245.10 : 30,609,367.65 = 14,036,145.90 : x
  2. Step 2: Convert to fraction form
    20,406,245.10/30,609,367.65 = 14,036,145.90/x
  3. Step 3: Cross multiply
    20,406,245.10x = 30,609,367.65 × 14,036,145.90
  4. Step 4: Simplify right side
    20,406,245.10x = 429,637,550,242,140.12
  5. Step 5: Solve for x
    x = 429,637,550,242,140.12/20,406,245.10
  6. Step 6: Final answer
    x = 21,054,218.85

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1.5x scale

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.