Home / 12,975,122.88-19,462,703.25-5,298,767.81

Finding the Fourth Proportional to 12,975,122.88, 19,462,703.25 and 5,298,767.81

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Solution

The fourth proportional to 12,975,122.88, 19,462,703.25 and 5,298,767.81 is: 7,948,159.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,975,122.88 : 19,462,703.25 = 5,298,767.81 : x
  2. Step 2: Convert to fraction form
    12,975,122.88/19,462,703.25 = 5,298,767.81/x
  3. Step 3: Cross multiply
    12,975,122.88x = 19,462,703.25 × 5,298,767.81
  4. Step 4: Simplify right side
    12,975,122.88x = 103,128,345,476,682.38
  5. Step 5: Solve for x
    x = 103,128,345,476,682.38/12,975,122.88
  6. Step 6: Final answer
    x = 7,948,159.45

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.