Home / 8,667,730.15-11,955,708.07-5,574,164.66

Finding the Fourth Proportional to 8,667,730.15, 11,955,708.07 and 5,574,164.66

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Solution

The fourth proportional to 8,667,730.15, 11,955,708.07 and 5,574,164.66 is: 7,688,643.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,667,730.15 : 11,955,708.07 = 5,574,164.66 : x
  2. Step 2: Convert to fraction form
    8,667,730.15/11,955,708.07 = 5,574,164.66/x
  3. Step 3: Cross multiply
    8,667,730.15x = 11,955,708.07 × 5,574,164.66
  4. Step 4: Simplify right side
    8,667,730.15x = 66,643,085,409,070.81
  5. Step 5: Solve for x
    x = 66,643,085,409,070.81/8,667,730.15
  6. Step 6: Final answer
    x = 7,688,643.31

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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.