Home / 8,686,476.15-13,029,814.56-2,621,260.43

Finding the Fourth Proportional to 8,686,476.15, 13,029,814.56 and 2,621,260.43

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Solution

The fourth proportional to 8,686,476.15, 13,029,814.56 and 2,621,260.43 is: 3,931,920.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,686,476.15 : 13,029,814.56 = 2,621,260.43 : x
  2. Step 2: Convert to fraction form
    8,686,476.15/13,029,814.56 = 2,621,260.43/x
  3. Step 3: Cross multiply
    8,686,476.15x = 13,029,814.56 × 2,621,260.43
  4. Step 4: Simplify right side
    8,686,476.15x = 34,154,537,251,216.79
  5. Step 5: Solve for x
    x = 34,154,537,251,216.79/8,686,476.15
  6. Step 6: Final answer
    x = 3,931,920.91

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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.