Home / 15,462,730.35-21,337,983.63-8,587,655.28

Finding the Fourth Proportional to 15,462,730.35, 21,337,983.63 and 8,587,655.28

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Solution

The fourth proportional to 15,462,730.35, 21,337,983.63 and 8,587,655.28 is: 11,850,639.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,462,730.35 : 21,337,983.63 = 8,587,655.28 : x
  2. Step 2: Convert to fraction form
    15,462,730.35/21,337,983.63 = 8,587,655.28/x
  3. Step 3: Cross multiply
    15,462,730.35x = 21,337,983.63 × 8,587,655.28
  4. Step 4: Simplify right side
    15,462,730.35x = 183,243,247,784,723.03
  5. Step 5: Solve for x
    x = 183,243,247,784,723.03/15,462,730.35
  6. Step 6: Final answer
    x = 11,850,639.81

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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.