Home / 28,210,003.65-42,315,005.48-26,509,392.45

Finding the Fourth Proportional to 28,210,003.65, 42,315,005.48 and 26,509,392.45

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Solution

The fourth proportional to 28,210,003.65, 42,315,005.48 and 26,509,392.45 is: 39,764,088.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,210,003.65 : 42,315,005.48 = 26,509,392.45 : x
  2. Step 2: Convert to fraction form
    28,210,003.65/42,315,005.48 = 26,509,392.45/x
  3. Step 3: Cross multiply
    28,210,003.65x = 42,315,005.48 × 26,509,392.45
  4. Step 4: Simplify right side
    28,210,003.65x = 1,121,745,086,660,673.62
  5. Step 5: Solve for x
    x = 1,121,745,086,660,673.62/28,210,003.65
  6. Step 6: Final answer
    x = 39,764,088.68

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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.