Home / 8,362,667.80-12,571,995.30-7,130,949.40

Finding the Fourth Proportional to 8,362,667.80, 12,571,995.30 and 7,130,949.40

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Solution

The fourth proportional to 8,362,667.80, 12,571,995.30 and 7,130,949.40 is: 10,720,294.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,362,667.80 : 12,571,995.30 = 7,130,949.40 : x
  2. Step 2: Convert to fraction form
    8,362,667.80/12,571,995.30 = 7,130,949.40/x
  3. Step 3: Cross multiply
    8,362,667.80x = 12,571,995.30 × 7,130,949.40
  4. Step 4: Simplify right side
    8,362,667.80x = 89,650,262,341,337.83
  5. Step 5: Solve for x
    x = 89,650,262,341,337.83/8,362,667.80
  6. Step 6: Final answer
    x = 10,720,294.59

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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.