Home / 20,492,927.90-30,739,391.85-5,346,859.40

Finding the Fourth Proportional to 20,492,927.90, 30,739,391.85 and 5,346,859.40

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Solution

The fourth proportional to 20,492,927.90, 30,739,391.85 and 5,346,859.40 is: 8,020,289.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,492,927.90 : 30,739,391.85 = 5,346,859.40 : x
  2. Step 2: Convert to fraction form
    20,492,927.90/30,739,391.85 = 5,346,859.40/x
  3. Step 3: Cross multiply
    20,492,927.90x = 30,739,391.85 × 5,346,859.40
  4. Step 4: Simplify right side
    20,492,927.90x = 164,359,206,263,455.91
  5. Step 5: Solve for x
    x = 164,359,206,263,455.91/20,492,927.90
  6. Step 6: Final answer
    x = 8,020,289.10

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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.