Home / 13,173,614.66-18,179,197.79-7,293,510.91

Finding the Fourth Proportional to 13,173,614.66, 18,179,197.79 and 7,293,510.91

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Solution

The fourth proportional to 13,173,614.66, 18,179,197.79 and 7,293,510.91 is: 10,064,828.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,173,614.66 : 18,179,197.79 = 7,293,510.91 : x
  2. Step 2: Convert to fraction form
    13,173,614.66/18,179,197.79 = 7,293,510.91/x
  3. Step 3: Cross multiply
    13,173,614.66x = 18,179,197.79 × 7,293,510.91
  4. Step 4: Simplify right side
    13,173,614.66x = 132,590,177,453,798.33
  5. Step 5: Solve for x
    x = 132,590,177,453,798.33/13,173,614.66
  6. Step 6: Final answer
    x = 10,064,828.89

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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.