Home / 7,407,667.90-11,167,023.80-6,913,870.62

Finding the Fourth Proportional to 7,407,667.90, 11,167,023.80 and 6,913,870.62

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Solution

The fourth proportional to 7,407,667.90, 11,167,023.80 and 6,913,870.62 is: 10,422,626.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,407,667.90 : 11,167,023.80 = 6,913,870.62 : x
  2. Step 2: Convert to fraction form
    7,407,667.90/11,167,023.80 = 6,913,870.62/x
  3. Step 3: Cross multiply
    7,407,667.90x = 11,167,023.80 × 6,913,870.62
  4. Step 4: Simplify right side
    7,407,667.90x = 77,207,357,763,660.77
  5. Step 5: Solve for x
    x = 77,207,357,763,660.77/7,407,667.90
  6. Step 6: Final answer
    x = 10,422,626.77

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Why These Related Problems?

These problems maintain the same ratio (1.51) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.