Home / 12,356,346.31-17,051,757.65-6,849,707.21

Finding the Fourth Proportional to 12,356,346.31, 17,051,757.65 and 6,849,707.21

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Solution

The fourth proportional to 12,356,346.31, 17,051,757.65 and 6,849,707.21 is: 9,452,595.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,356,346.31 : 17,051,757.65 = 6,849,707.21 : x
  2. Step 2: Convert to fraction form
    12,356,346.31/17,051,757.65 = 6,849,707.21/x
  3. Step 3: Cross multiply
    12,356,346.31x = 17,051,757.65 × 6,849,707.21
  4. Step 4: Simplify right side
    12,356,346.31x = 116,799,547,284,129.11
  5. Step 5: Solve for x
    x = 116,799,547,284,129.11/12,356,346.31
  6. Step 6: Final answer
    x = 9,452,595.81

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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.