Home / 20,263,703.18-27,964,135.64-10,971,479.16

Finding the Fourth Proportional to 20,263,703.18, 27,964,135.64 and 10,971,479.16

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Solution

The fourth proportional to 20,263,703.18, 27,964,135.64 and 10,971,479.16 is: 15,140,763.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,263,703.18 : 27,964,135.64 = 10,971,479.16 : x
  2. Step 2: Convert to fraction form
    20,263,703.18/27,964,135.64 = 10,971,479.16/x
  3. Step 3: Cross multiply
    20,263,703.18x = 27,964,135.64 × 10,971,479.16
  4. Step 4: Simplify right side
    20,263,703.18x = 306,807,931,429,101.94
  5. Step 5: Solve for x
    x = 306,807,931,429,101.94/20,263,703.18
  6. Step 6: Final answer
    x = 15,140,763.21

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.