Home / 29,926,429.71-41,291,428.89-18,165,408.45

Finding the Fourth Proportional to 29,926,429.71, 41,291,428.89 and 18,165,408.45

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Solution

The fourth proportional to 29,926,429.71, 41,291,428.89 and 18,165,408.45 is: 25,063,987.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    29,926,429.71 : 41,291,428.89 = 18,165,408.45 : x
  2. Step 2: Convert to fraction form
    29,926,429.71/41,291,428.89 = 18,165,408.45/x
  3. Step 3: Cross multiply
    29,926,429.71x = 41,291,428.89 × 18,165,408.45
  4. Step 4: Simplify right side
    29,926,429.71x = 750,075,671,270,980.12
  5. Step 5: Solve for x
    x = 750,075,671,270,980.12/29,926,429.71
  6. Step 6: Final answer
    x = 25,063,987.87

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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.