Home / 20,477,986.28-30,705,095.64-9,695,196.08

Finding the Fourth Proportional to 20,477,986.28, 30,705,095.64 and 9,695,196.08

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Solution

The fourth proportional to 20,477,986.28, 30,705,095.64 and 9,695,196.08 is: 14,537,167.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,477,986.28 : 30,705,095.64 = 9,695,196.08 : x
  2. Step 2: Convert to fraction form
    20,477,986.28/30,705,095.64 = 9,695,196.08/x
  3. Step 3: Cross multiply
    20,477,986.28x = 30,705,095.64 × 9,695,196.08
  4. Step 4: Simplify right side
    20,477,986.28x = 297,691,922,884,953.12
  5. Step 5: Solve for x
    x = 297,691,922,884,953.12/20,477,986.28
  6. Step 6: Final answer
    x = 14,537,167.81

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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.