Home / 12,822,450.28-17,694,814.98-7,315,682.92

Finding the Fourth Proportional to 12,822,450.28, 17,694,814.98 and 7,315,682.92

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Solution

The fourth proportional to 12,822,450.28, 17,694,814.98 and 7,315,682.92 is: 10,095,547.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,822,450.28 : 17,694,814.98 = 7,315,682.92 : x
  2. Step 2: Convert to fraction form
    12,822,450.28/17,694,814.98 = 7,315,682.92/x
  3. Step 3: Cross multiply
    12,822,450.28x = 17,694,814.98 × 7,315,682.92
  4. Step 4: Simplify right side
    12,822,450.28x = 129,449,655,721,746.14
  5. Step 5: Solve for x
    x = 129,449,655,721,746.14/12,822,450.28
  6. Step 6: Final answer
    x = 10,095,547.49

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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.