Home / 8,438,465.98-11,645,138.94-4,570,987.06

Finding the Fourth Proportional to 8,438,465.98, 11,645,138.94 and 4,570,987.06

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Solution

The fourth proportional to 8,438,465.98, 11,645,138.94 and 4,570,987.06 is: 6,307,992.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,438,465.98 : 11,645,138.94 = 4,570,987.06 : x
  2. Step 2: Convert to fraction form
    8,438,465.98/11,645,138.94 = 4,570,987.06/x
  3. Step 3: Cross multiply
    8,438,465.98x = 11,645,138.94 × 4,570,987.06
  4. Step 4: Simplify right side
    8,438,465.98x = 53,229,779,406,642.11
  5. Step 5: Solve for x
    x = 53,229,779,406,642.11/8,438,465.98
  6. Step 6: Final answer
    x = 6,307,992.42

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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.