Home / 28,469,985.77-39,288,601.67-15,417,259.00

Finding the Fourth Proportional to 28,469,985.77, 39,288,601.67 and 15,417,259.00

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Solution

The fourth proportional to 28,469,985.77, 39,288,601.67 and 15,417,259.00 is: 21,275,828.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,469,985.77 : 39,288,601.67 = 15,417,259.00 : x
  2. Step 2: Convert to fraction form
    28,469,985.77/39,288,601.67 = 15,417,259.00/x
  3. Step 3: Cross multiply
    28,469,985.77x = 39,288,601.67 × 15,417,259.00
  4. Step 4: Simplify right side
    28,469,985.77x = 605,722,547,518,914.75
  5. Step 5: Solve for x
    x = 605,722,547,518,914.75/28,469,985.77
  6. Step 6: Final answer
    x = 21,275,828.95

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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.