Home / 13,853,931.98-19,115,254.04-8,271,091.94

Finding the Fourth Proportional to 13,853,931.98, 19,115,254.04 and 8,271,091.94

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Solution

The fourth proportional to 13,853,931.98, 19,115,254.04 and 8,271,091.94 is: 11,412,213.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,853,931.98 : 19,115,254.04 = 8,271,091.94 : x
  2. Step 2: Convert to fraction form
    13,853,931.98/19,115,254.04 = 8,271,091.94/x
  3. Step 3: Cross multiply
    13,853,931.98x = 19,115,254.04 × 8,271,091.94
  4. Step 4: Simplify right side
    13,853,931.98x = 158,104,023,689,762.31
  5. Step 5: Solve for x
    x = 158,104,023,689,762.31/13,853,931.98
  6. Step 6: Final answer
    x = 11,412,213.07

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.