Home / 12,402,061.44-17,115,043.74-6,820,528.52

Finding the Fourth Proportional to 12,402,061.44, 17,115,043.74 and 6,820,528.52

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Solution

The fourth proportional to 12,402,061.44, 17,115,043.74 and 6,820,528.52 is: 9,412,438.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,402,061.44 : 17,115,043.74 = 6,820,528.52 : x
  2. Step 2: Convert to fraction form
    12,402,061.44/17,115,043.74 = 6,820,528.52/x
  3. Step 3: Cross multiply
    12,402,061.44x = 17,115,043.74 × 6,820,528.52
  4. Step 4: Simplify right side
    12,402,061.44x = 116,733,643,949,717.45
  5. Step 5: Solve for x
    x = 116,733,643,949,717.45/12,402,061.44
  6. Step 6: Final answer
    x = 9,412,438.77

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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.