Home / 10,203,110.12-14,081,286.52-7,620,306.88

Finding the Fourth Proportional to 10,203,110.12, 14,081,286.52 and 7,620,306.88

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Solution

The fourth proportional to 10,203,110.12, 14,081,286.52 and 7,620,306.88 is: 10,516,766.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,203,110.12 : 14,081,286.52 = 7,620,306.88 : x
  2. Step 2: Convert to fraction form
    10,203,110.12/14,081,286.52 = 7,620,306.88/x
  3. Step 3: Cross multiply
    10,203,110.12x = 14,081,286.52 × 7,620,306.88
  4. Step 4: Simplify right side
    10,203,110.12x = 107,303,724,547,607.25
  5. Step 5: Solve for x
    x = 107,303,724,547,607.25/10,203,110.12
  6. Step 6: Final answer
    x = 10,516,766.29

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1.5x scale

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.