Home / 38,434,857.81-53,041,293.50-21,031,936.53

Finding the Fourth Proportional to 38,434,857.81, 53,041,293.50 and 21,031,936.53

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Solution

The fourth proportional to 38,434,857.81, 53,041,293.50 and 21,031,936.53 is: 29,024,723.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,434,857.81 : 53,041,293.50 = 21,031,936.53 : x
  2. Step 2: Convert to fraction form
    38,434,857.81/53,041,293.50 = 21,031,936.53/x
  3. Step 3: Cross multiply
    38,434,857.81x = 53,041,293.50 × 21,031,936.53
  4. Step 4: Simplify right side
    38,434,857.81x = 1,115,561,118,175,341.75
  5. Step 5: Solve for x
    x = 1,115,561,118,175,341.75/38,434,857.81
  6. Step 6: Final answer
    x = 29,024,723.44

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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.