Home / 12,613,308-17,406,365.04-6,890,172

Finding the Fourth Proportional to 12,613,308, 17,406,365.04 and 6,890,172

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Solution

The fourth proportional to 12,613,308, 17,406,365.04 and 6,890,172 is: 9,508,437.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,613,308 : 17,406,365.04 = 6,890,172 : x
  2. Step 2: Convert to fraction form
    12,613,308/17,406,365.04 = 6,890,172/x
  3. Step 3: Cross multiply
    12,613,308x = 17,406,365.04 × 6,890,172
  4. Step 4: Simplify right side
    12,613,308x = 119,932,849,020,386.88
  5. Step 5: Solve for x
    x = 119,932,849,020,386.88/12,613,308
  6. Step 6: Final answer
    x = 9,508,437.36

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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.