Home / 52,329,400.13-72,213,297.72-28,807,745.69

Finding the Fourth Proportional to 52,329,400.13, 72,213,297.72 and 28,807,745.69

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Solution

The fourth proportional to 52,329,400.13, 72,213,297.72 and 28,807,745.69 is: 39,753,987.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    52,329,400.13 : 72,213,297.72 = 28,807,745.69 : x
  2. Step 2: Convert to fraction form
    52,329,400.13/72,213,297.72 = 28,807,745.69/x
  3. Step 3: Cross multiply
    52,329,400.13x = 72,213,297.72 × 28,807,745.69
  4. Step 4: Simplify right side
    52,329,400.13x = 2,080,302,316,154,017
  5. Step 5: Solve for x
    x = 2,080,302,316,154,017/52,329,400.13
  6. Step 6: Final answer
    x = 39,753,987.45

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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.