Home / 30,214,819.20-45,322,228.80-10,020,061.20

Finding the Fourth Proportional to 30,214,819.20, 45,322,228.80 and 10,020,061.20

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Solution

The fourth proportional to 30,214,819.20, 45,322,228.80 and 10,020,061.20 is: 15,030,091.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,214,819.20 : 45,322,228.80 = 10,020,061.20 : x
  2. Step 2: Convert to fraction form
    30,214,819.20/45,322,228.80 = 10,020,061.20/x
  3. Step 3: Cross multiply
    30,214,819.20x = 45,322,228.80 × 10,020,061.20
  4. Step 4: Simplify right side
    30,214,819.20x = 454,131,506,296,402.50
  5. Step 5: Solve for x
    x = 454,131,506,296,402.50/30,214,819.20
  6. Step 6: Final answer
    x = 15,030,091.80

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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.