Home / 19,805,000.46-29,704,312.08-5,424,705.12

Finding the Fourth Proportional to 19,805,000.46, 29,704,312.08 and 5,424,705.12

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Solution

The fourth proportional to 19,805,000.46, 29,704,312.08 and 5,424,705.12 is: 8,136,184.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,805,000.46 : 29,704,312.08 = 5,424,705.12 : x
  2. Step 2: Convert to fraction form
    19,805,000.46/29,704,312.08 = 5,424,705.12/x
  3. Step 3: Cross multiply
    19,805,000.46x = 29,704,312.08 × 5,424,705.12
  4. Step 4: Simplify right side
    19,805,000.46x = 161,137,133,826,453.84
  5. Step 5: Solve for x
    x = 161,137,133,826,453.84/19,805,000.46
  6. Step 6: Final answer
    x = 8,136,184.30

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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.