Home / 5,718,564.48-8,618,009.16-5,150,657.28

Finding the Fourth Proportional to 5,718,564.48, 8,618,009.16 and 5,150,657.28

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Solution

The fourth proportional to 5,718,564.48, 8,618,009.16 and 5,150,657.28 is: 7,762,159.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,718,564.48 : 8,618,009.16 = 5,150,657.28 : x
  2. Step 2: Convert to fraction form
    5,718,564.48/8,618,009.16 = 5,150,657.28/x
  3. Step 3: Cross multiply
    5,718,564.48x = 8,618,009.16 × 5,150,657.28
  4. Step 4: Simplify right side
    5,718,564.48x = 44,388,411,619,060.69
  5. Step 5: Solve for x
    x = 44,388,411,619,060.69/5,718,564.48
  6. Step 6: Final answer
    x = 7,762,159.85

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Why These Related Problems?

These problems maintain the same ratio (1.51) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.