Home / 12,857,547.45-19,291,731.73-8,003,916.48

Finding the Fourth Proportional to 12,857,547.45, 19,291,731.73 and 8,003,916.48

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Solution

The fourth proportional to 12,857,547.45, 19,291,731.73 and 8,003,916.48 is: 12,009,242.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,857,547.45 : 19,291,731.73 = 8,003,916.48 : x
  2. Step 2: Convert to fraction form
    12,857,547.45/19,291,731.73 = 8,003,916.48/x
  3. Step 3: Cross multiply
    12,857,547.45x = 19,291,731.73 × 8,003,916.48
  4. Step 4: Simplify right side
    12,857,547.45x = 154,409,409,573,820.09
  5. Step 5: Solve for x
    x = 154,409,409,573,820.09/12,857,547.45
  6. Step 6: Final answer
    x = 12,009,242.83

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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.