Home / 10,983,021.52-15,139,768.68-7,710,656.08

Finding the Fourth Proportional to 10,983,021.52, 15,139,768.68 and 7,710,656.08

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Solution

The fourth proportional to 10,983,021.52, 15,139,768.68 and 7,710,656.08 is: 10,628,910.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,983,021.52 : 15,139,768.68 = 7,710,656.08 : x
  2. Step 2: Convert to fraction form
    10,983,021.52/15,139,768.68 = 7,710,656.08/x
  3. Step 3: Cross multiply
    10,983,021.52x = 15,139,768.68 × 7,710,656.08
  4. Step 4: Simplify right side
    10,983,021.52x = 116,737,549,422,235.58
  5. Step 5: Solve for x
    x = 116,737,549,422,235.58/10,983,021.52
  6. Step 6: Final answer
    x = 10,628,910.20

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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.