Home / 9,159,109.16-12,639,570.68-5,029,140.31

Finding the Fourth Proportional to 9,159,109.16, 12,639,570.68 and 5,029,140.31

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Solution

The fourth proportional to 9,159,109.16, 12,639,570.68 and 5,029,140.31 is: 6,940,213.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,159,109.16 : 12,639,570.68 = 5,029,140.31 : x
  2. Step 2: Convert to fraction form
    9,159,109.16/12,639,570.68 = 5,029,140.31/x
  3. Step 3: Cross multiply
    9,159,109.16x = 12,639,570.68 × 5,029,140.31
  4. Step 4: Simplify right side
    9,159,109.16x = 63,566,174,388,856.03
  5. Step 5: Solve for x
    x = 63,566,174,388,856.03/9,159,109.16
  6. Step 6: Final answer
    x = 6,940,213.65

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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.