Home / 14,242,869.90-19,655,133.86-7,716,661.56

Finding the Fourth Proportional to 14,242,869.90, 19,655,133.86 and 7,716,661.56

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Solution

The fourth proportional to 14,242,869.90, 19,655,133.86 and 7,716,661.56 is: 10,648,978.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,242,869.90 : 19,655,133.86 = 7,716,661.56 : x
  2. Step 2: Convert to fraction form
    14,242,869.90/19,655,133.86 = 7,716,661.56/x
  3. Step 3: Cross multiply
    14,242,869.90x = 19,655,133.86 × 7,716,661.56
  4. Step 4: Simplify right side
    14,242,869.90x = 151,672,015,914,116.41
  5. Step 5: Solve for x
    x = 151,672,015,914,116.41/14,242,869.90
  6. Step 6: Final answer
    x = 10,648,978.54

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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.