Home / 8,409,529.15-11,605,258.70-4,971,740.11

Finding the Fourth Proportional to 8,409,529.15, 11,605,258.70 and 4,971,740.11

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Solution

The fourth proportional to 8,409,529.15, 11,605,258.70 and 4,971,740.11 is: 6,861,065.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,409,529.15 : 11,605,258.70 = 4,971,740.11 : x
  2. Step 2: Convert to fraction form
    8,409,529.15/11,605,258.70 = 4,971,740.11/x
  3. Step 3: Cross multiply
    8,409,529.15x = 11,605,258.70 × 4,971,740.11
  4. Step 4: Simplify right side
    8,409,529.15x = 57,698,330,130,488.63
  5. Step 5: Solve for x
    x = 57,698,330,130,488.63/8,409,529.15
  6. Step 6: Final answer
    x = 6,861,065.48

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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.