Home / 13,898,347.68-19,180,868.91-7,705,337.79

Finding the Fourth Proportional to 13,898,347.68, 19,180,868.91 and 7,705,337.79

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Solution

The fourth proportional to 13,898,347.68, 19,180,868.91 and 7,705,337.79 is: 10,634,003.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,898,347.68 : 19,180,868.91 = 7,705,337.79 : x
  2. Step 2: Convert to fraction form
    13,898,347.68/19,180,868.91 = 7,705,337.79/x
  3. Step 3: Cross multiply
    13,898,347.68x = 19,180,868.91 × 7,705,337.79
  4. Step 4: Simplify right side
    13,898,347.68x = 147,795,074,057,259.12
  5. Step 5: Solve for x
    x = 147,795,074,057,259.12/13,898,347.68
  6. Step 6: Final answer
    x = 10,634,003.23

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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.