Home / 13,701,977.88-18,908,728.86-7,507,259.34

Finding the Fourth Proportional to 13,701,977.88, 18,908,728.86 and 7,507,259.34

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Solution

The fourth proportional to 13,701,977.88, 18,908,728.86 and 7,507,259.34 is: 10,360,017.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,701,977.88 : 18,908,728.86 = 7,507,259.34 : x
  2. Step 2: Convert to fraction form
    13,701,977.88/18,908,728.86 = 7,507,259.34/x
  3. Step 3: Cross multiply
    13,701,977.88x = 18,908,728.86 × 7,507,259.34
  4. Step 4: Simplify right side
    13,701,977.88x = 141,952,731,341,762.53
  5. Step 5: Solve for x
    x = 141,952,731,341,762.53/13,701,977.88
  6. Step 6: Final answer
    x = 10,360,017.55

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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.