Home / 28,002,353-42,010,615.38-7,807,595

Finding the Fourth Proportional to 28,002,353, 42,010,615.38 and 7,807,595

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Solution

The fourth proportional to 28,002,353, 42,010,615.38 and 7,807,595 is: 11,713,368.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,002,353 : 42,010,615.38 = 7,807,595 : x
  2. Step 2: Convert to fraction form
    28,002,353/42,010,615.38 = 7,807,595/x
  3. Step 3: Cross multiply
    28,002,353x = 42,010,615.38 × 7,807,595
  4. Step 4: Simplify right side
    28,002,353x = 328,001,870,587,811.12
  5. Step 5: Solve for x
    x = 328,001,870,587,811.12/28,002,353
  6. Step 6: Final answer
    x = 11,713,368.18

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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.