Home / 13,376,782.99-18,459,342.61-7,575,606.55

Finding the Fourth Proportional to 13,376,782.99, 18,459,342.61 and 7,575,606.55

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Solution

The fourth proportional to 13,376,782.99, 18,459,342.61 and 7,575,606.55 is: 10,453,987.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,376,782.99 : 18,459,342.61 = 7,575,606.55 : x
  2. Step 2: Convert to fraction form
    13,376,782.99/18,459,342.61 = 7,575,606.55/x
  3. Step 3: Cross multiply
    13,376,782.99x = 18,459,342.61 × 7,575,606.55
  4. Step 4: Simplify right side
    13,376,782.99x = 139,840,716,785,010.09
  5. Step 5: Solve for x
    x = 139,840,716,785,010.09/13,376,782.99
  6. Step 6: Final answer
    x = 10,453,987.10

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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.