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Finding the Fourth Proportional to 12,662,673.29, 18,994,017.02 and 8,892,985.13

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Solution

The fourth proportional to 12,662,673.29, 18,994,017.02 and 8,892,985.13 is: 13,339,482.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,662,673.29 : 18,994,017.02 = 8,892,985.13 : x
  2. Step 2: Convert to fraction form
    12,662,673.29/18,994,017.02 = 8,892,985.13/x
  3. Step 3: Cross multiply
    12,662,673.29x = 18,994,017.02 × 8,892,985.13
  4. Step 4: Simplify right side
    12,662,673.29x = 168,913,510,917,826.94
  5. Step 5: Solve for x
    x = 168,913,510,917,826.94/12,662,673.29
  6. Step 6: Final answer
    x = 13,339,482.67

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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.