Home / 11,484,632.07-15,849,909.20-8,578,978.40

Finding the Fourth Proportional to 11,484,632.07, 15,849,909.20 and 8,578,978.40

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Solution

The fourth proportional to 11,484,632.07, 15,849,909.20 and 8,578,978.40 is: 11,839,824.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,484,632.07 : 15,849,909.20 = 8,578,978.40 : x
  2. Step 2: Convert to fraction form
    11,484,632.07/15,849,909.20 = 8,578,978.40/x
  3. Step 3: Cross multiply
    11,484,632.07x = 15,849,909.20 × 8,578,978.40
  4. Step 4: Simplify right side
    11,484,632.07x = 135,976,028,668,761.28
  5. Step 5: Solve for x
    x = 135,976,028,668,761.28/11,484,632.07
  6. Step 6: Final answer
    x = 11,839,824.54

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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.