Home / 30,519,281.90-45,777,068.84-10,824,384.62

Finding the Fourth Proportional to 30,519,281.90, 45,777,068.84 and 10,824,384.62

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Solution

The fourth proportional to 30,519,281.90, 45,777,068.84 and 10,824,384.62 is: 16,235,919.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,519,281.90 : 45,777,068.84 = 10,824,384.62 : x
  2. Step 2: Convert to fraction form
    30,519,281.90/45,777,068.84 = 10,824,384.62/x
  3. Step 3: Cross multiply
    30,519,281.90x = 45,777,068.84 × 10,824,384.62
  4. Step 4: Simplify right side
    30,519,281.90x = 495,508,600,041,880.94
  5. Step 5: Solve for x
    x = 495,508,600,041,880.94/30,519,281.90
  6. Step 6: Final answer
    x = 16,235,919.36

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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.