Home / 29,974,421.74-41,365,703.82-18,369,742.90

Finding the Fourth Proportional to 29,974,421.74, 41,365,703.82 and 18,369,742.90

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Solution

The fourth proportional to 29,974,421.74, 41,365,703.82 and 18,369,742.90 is: 25,350,859.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    29,974,421.74 : 41,365,703.82 = 18,369,742.90 : x
  2. Step 2: Convert to fraction form
    29,974,421.74/41,365,703.82 = 18,369,742.90/x
  3. Step 3: Cross multiply
    29,974,421.74x = 41,365,703.82 × 18,369,742.90
  4. Step 4: Simplify right side
    29,974,421.74x = 759,877,344,050,947.88
  5. Step 5: Solve for x
    x = 759,877,344,050,947.88/29,974,421.74
  6. Step 6: Final answer
    x = 25,350,859.16

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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.