Home / 14,917,638.72-20,578,888.76-9,417,829.44

Finding the Fourth Proportional to 14,917,638.72, 20,578,888.76 and 9,417,829.44

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Solution

The fourth proportional to 14,917,638.72, 20,578,888.76 and 9,417,829.44 is: 12,991,899.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,917,638.72 : 20,578,888.76 = 9,417,829.44 : x
  2. Step 2: Convert to fraction form
    14,917,638.72/20,578,888.76 = 9,417,829.44/x
  3. Step 3: Cross multiply
    14,917,638.72x = 20,578,888.76 × 9,417,829.44
  4. Step 4: Simplify right side
    14,917,638.72x = 193,808,464,406,413.09
  5. Step 5: Solve for x
    x = 193,808,464,406,413.09/14,917,638.72
  6. Step 6: Final answer
    x = 12,991,899.59

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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.