Home / 13,329,359.10-19,994,038.65-12,290,096.70

Finding the Fourth Proportional to 13,329,359.10, 19,994,038.65 and 12,290,096.70

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Solution

The fourth proportional to 13,329,359.10, 19,994,038.65 and 12,290,096.70 is: 18,435,145.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,329,359.10 : 19,994,038.65 = 12,290,096.70 : x
  2. Step 2: Convert to fraction form
    13,329,359.10/19,994,038.65 = 12,290,096.70/x
  3. Step 3: Cross multiply
    13,329,359.10x = 19,994,038.65 × 12,290,096.70
  4. Step 4: Simplify right side
    13,329,359.10x = 245,728,668,432,037.41
  5. Step 5: Solve for x
    x = 245,728,668,432,037.41/13,329,359.10
  6. Step 6: Final answer
    x = 18,435,145.05

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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.