Home / 8,789,665.80-13,184,498.70-7,278,011.40

Finding the Fourth Proportional to 8,789,665.80, 13,184,498.70 and 7,278,011.40

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Solution

The fourth proportional to 8,789,665.80, 13,184,498.70 and 7,278,011.40 is: 10,917,017.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,789,665.80 : 13,184,498.70 = 7,278,011.40 : x
  2. Step 2: Convert to fraction form
    8,789,665.80/13,184,498.70 = 7,278,011.40/x
  3. Step 3: Cross multiply
    8,789,665.80x = 13,184,498.70 × 7,278,011.40
  4. Step 4: Simplify right side
    8,789,665.80x = 95,956,931,841,885.17
  5. Step 5: Solve for x
    x = 95,956,931,841,885.17/8,789,665.80
  6. Step 6: Final answer
    x = 10,917,017.10

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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.