Home / 13,376,695.22-18,459,221.64-7,575,518.49

Finding the Fourth Proportional to 13,376,695.22, 18,459,221.64 and 7,575,518.49

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Solution

The fourth proportional to 13,376,695.22, 18,459,221.64 and 7,575,518.49 is: 10,453,865.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,376,695.22 : 18,459,221.64 = 7,575,518.49 : x
  2. Step 2: Convert to fraction form
    13,376,695.22/18,459,221.64 = 7,575,518.49/x
  3. Step 3: Cross multiply
    13,376,695.22x = 18,459,221.64 × 7,575,518.49
  4. Step 4: Simplify right side
    13,376,695.22x = 139,838,174,789,810.12
  5. Step 5: Solve for x
    x = 139,838,174,789,810.12/13,376,695.22
  6. Step 6: Final answer
    x = 10,453,865.66

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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.