Home / 13,301,468.64-18,354,467.30-7,499,904.39

Finding the Fourth Proportional to 13,301,468.64, 18,354,467.30 and 7,499,904.39

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Solution

The fourth proportional to 13,301,468.64, 18,354,467.30 and 7,499,904.39 is: 10,348,988.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,301,468.64 : 18,354,467.30 = 7,499,904.39 : x
  2. Step 2: Convert to fraction form
    13,301,468.64/18,354,467.30 = 7,499,904.39/x
  3. Step 3: Cross multiply
    13,301,468.64x = 18,354,467.30 × 7,499,904.39
  4. Step 4: Simplify right side
    13,301,468.64x = 137,656,749,841,881.94
  5. Step 5: Solve for x
    x = 137,656,749,841,881.94/13,301,468.64
  6. Step 6: Final answer
    x = 10,348,988.79

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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.