Home / 37,776,319.40-56,664,479.10-12,219,912.20

Finding the Fourth Proportional to 37,776,319.40, 56,664,479.10 and 12,219,912.20

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Solution

The fourth proportional to 37,776,319.40, 56,664,479.10 and 12,219,912.20 is: 18,329,868.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    37,776,319.40 : 56,664,479.10 = 12,219,912.20 : x
  2. Step 2: Convert to fraction form
    37,776,319.40/56,664,479.10 = 12,219,912.20/x
  3. Step 3: Cross multiply
    37,776,319.40x = 56,664,479.10 × 12,219,912.20
  4. Step 4: Simplify right side
    37,776,319.40x = 692,434,959,460,735
  5. Step 5: Solve for x
    x = 692,434,959,460,735/37,776,319.40
  6. Step 6: Final answer
    x = 18,329,868.30

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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.