Home / 12,450,039.96-17,182,376.04-7,297,730.40

Finding the Fourth Proportional to 12,450,039.96, 17,182,376.04 and 7,297,730.40

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Solution

The fourth proportional to 12,450,039.96, 17,182,376.04 and 7,297,730.40 is: 10,071,642.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,450,039.96 : 17,182,376.04 = 7,297,730.40 : x
  2. Step 2: Convert to fraction form
    12,450,039.96/17,182,376.04 = 7,297,730.40/x
  3. Step 3: Cross multiply
    12,450,039.96x = 17,182,376.04 × 7,297,730.40
  4. Step 4: Simplify right side
    12,450,039.96x = 125,392,347,971,339.61
  5. Step 5: Solve for x
    x = 125,392,347,971,339.61/12,450,039.96
  6. Step 6: Final answer
    x = 10,071,642.21

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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.