Home / 17,872,490.56-26,820,064.47-7,637,421.67

Finding the Fourth Proportional to 17,872,490.56, 26,820,064.47 and 7,637,421.67

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Solution

The fourth proportional to 17,872,490.56, 26,820,064.47 and 7,637,421.67 is: 11,460,973.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,872,490.56 : 26,820,064.47 = 7,637,421.67 : x
  2. Step 2: Convert to fraction form
    17,872,490.56/26,820,064.47 = 7,637,421.67/x
  3. Step 3: Cross multiply
    17,872,490.56x = 26,820,064.47 × 7,637,421.67
  4. Step 4: Simplify right side
    17,872,490.56x = 204,836,141,573,975.06
  5. Step 5: Solve for x
    x = 204,836,141,573,975.06/17,872,490.56
  6. Step 6: Final answer
    x = 11,460,973.55

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.