Home / 20,552,567.86-28,365,565.08-11,849,040.51

Finding the Fourth Proportional to 20,552,567.86, 28,365,565.08 and 11,849,040.51

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Solution

The fourth proportional to 20,552,567.86, 28,365,565.08 and 11,849,040.51 is: 16,353,417.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,552,567.86 : 28,365,565.08 = 11,849,040.51 : x
  2. Step 2: Convert to fraction form
    20,552,567.86/28,365,565.08 = 11,849,040.51/x
  3. Step 3: Cross multiply
    20,552,567.86x = 28,365,565.08 × 11,849,040.51
  4. Step 4: Simplify right side
    20,552,567.86x = 336,104,729,721,961.38
  5. Step 5: Solve for x
    x = 336,104,729,721,961.38/20,552,567.86
  6. Step 6: Final answer
    x = 16,353,417.83

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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.