Home / 7,706,111.40-11,555,667.90-2,912,207.40

Finding the Fourth Proportional to 7,706,111.40, 11,555,667.90 and 2,912,207.40

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Solution

The fourth proportional to 7,706,111.40, 11,555,667.90 and 2,912,207.40 is: 4,366,988.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,706,111.40 : 11,555,667.90 = 2,912,207.40 : x
  2. Step 2: Convert to fraction form
    7,706,111.40/11,555,667.90 = 2,912,207.40/x
  3. Step 3: Cross multiply
    7,706,111.40x = 11,555,667.90 × 2,912,207.40
  4. Step 4: Simplify right side
    7,706,111.40x = 33,652,501,570,322.46
  5. Step 5: Solve for x
    x = 33,652,501,570,322.46/7,706,111.40
  6. Step 6: Final answer
    x = 4,366,988.72

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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.