Home / 8,689,288.80-13,035,682.80-7,279,111.20

Finding the Fourth Proportional to 8,689,288.80, 13,035,682.80 and 7,279,111.20

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Solution

The fourth proportional to 8,689,288.80, 13,035,682.80 and 7,279,111.20 is: 10,920,132.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,689,288.80 : 13,035,682.80 = 7,279,111.20 : x
  2. Step 2: Convert to fraction form
    8,689,288.80/13,035,682.80 = 7,279,111.20/x
  3. Step 3: Cross multiply
    8,689,288.80x = 13,035,682.80 × 7,279,111.20
  4. Step 4: Simplify right side
    8,689,288.80x = 94,888,184,669,127.38
  5. Step 5: Solve for x
    x = 94,888,184,669,127.38/8,689,288.80
  6. Step 6: Final answer
    x = 10,920,132.46

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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.