Home / 14,242,868.90-19,655,132.48-7,716,660.56

Finding the Fourth Proportional to 14,242,868.90, 19,655,132.48 and 7,716,660.56

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Solution

The fourth proportional to 14,242,868.90, 19,655,132.48 and 7,716,660.56 is: 10,648,977.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,242,868.90 : 19,655,132.48 = 7,716,660.56 : x
  2. Step 2: Convert to fraction form
    14,242,868.90/19,655,132.48 = 7,716,660.56/x
  3. Step 3: Cross multiply
    14,242,868.90x = 19,655,132.48 × 7,716,660.56
  4. Step 4: Simplify right side
    14,242,868.90x = 151,671,985,609,990.97
  5. Step 5: Solve for x
    x = 151,671,985,609,990.97/14,242,868.90
  6. Step 6: Final answer
    x = 10,648,977.16

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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.