Home / 12,668,895.40-19,008,008.70-5,101,292.20

Finding the Fourth Proportional to 12,668,895.40, 19,008,008.70 and 5,101,292.20

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Solution

The fourth proportional to 12,668,895.40, 19,008,008.70 and 5,101,292.20 is: 7,653,816.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,668,895.40 : 19,008,008.70 = 5,101,292.20 : x
  2. Step 2: Convert to fraction form
    12,668,895.40/19,008,008.70 = 5,101,292.20/x
  3. Step 3: Cross multiply
    12,668,895.40x = 19,008,008.70 × 5,101,292.20
  4. Step 4: Simplify right side
    12,668,895.40x = 96,965,406,518,842.14
  5. Step 5: Solve for x
    x = 96,965,406,518,842.14/12,668,895.40
  6. Step 6: Final answer
    x = 7,653,816.96

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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.