Home / 30,329,752.80-45,494,629.20-9,859,432.80

Finding the Fourth Proportional to 30,329,752.80, 45,494,629.20 and 9,859,432.80

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Solution

The fourth proportional to 30,329,752.80, 45,494,629.20 and 9,859,432.80 is: 14,789,149.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,329,752.80 : 45,494,629.20 = 9,859,432.80 : x
  2. Step 2: Convert to fraction form
    30,329,752.80/45,494,629.20 = 9,859,432.80/x
  3. Step 3: Cross multiply
    30,329,752.80x = 45,494,629.20 × 9,859,432.80
  4. Step 4: Simplify right side
    30,329,752.80x = 448,551,239,358,317.81
  5. Step 5: Solve for x
    x = 448,551,239,358,317.81/30,329,752.80
  6. Step 6: Final answer
    x = 14,789,149.20

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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.