Home / 12,946,579.86-19,417,692.22-4,747,526.58

Finding the Fourth Proportional to 12,946,579.86, 19,417,692.22 and 4,747,526.58

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Solution

The fourth proportional to 12,946,579.86, 19,417,692.22 and 4,747,526.58 is: 7,120,491.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,946,579.86 : 19,417,692.22 = 4,747,526.58 : x
  2. Step 2: Convert to fraction form
    12,946,579.86/19,417,692.22 = 4,747,526.58/x
  3. Step 3: Cross multiply
    12,946,579.86x = 19,417,692.22 × 4,747,526.58
  4. Step 4: Simplify right side
    12,946,579.86x = 92,186,009,936,709.20
  5. Step 5: Solve for x
    x = 92,186,009,936,709.20/12,946,579.86
  6. Step 6: Final answer
    x = 7,120,491.35

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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.