Home / 23,168,885.96-31,970,949.46-13,748,053.72

Finding the Fourth Proportional to 23,168,885.96, 31,970,949.46 and 13,748,053.72

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Solution

The fourth proportional to 23,168,885.96, 31,970,949.46 and 13,748,053.72 is: 18,971,060.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    23,168,885.96 : 31,970,949.46 = 13,748,053.72 : x
  2. Step 2: Convert to fraction form
    23,168,885.96/31,970,949.46 = 13,748,053.72/x
  3. Step 3: Cross multiply
    23,168,885.96x = 31,970,949.46 × 13,748,053.72
  4. Step 4: Simplify right side
    23,168,885.96x = 439,538,330,655,485
  5. Step 5: Solve for x
    x = 439,538,330,655,485/23,168,885.96
  6. Step 6: Final answer
    x = 18,971,060.21

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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.