Home / 13,534,343.01-18,678,574.67-7,423,952.49

Finding the Fourth Proportional to 13,534,343.01, 18,678,574.67 and 7,423,952.49

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Solution

The fourth proportional to 13,534,343.01, 18,678,574.67 and 7,423,952.49 is: 10,245,702.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,534,343.01 : 18,678,574.67 = 7,423,952.49 : x
  2. Step 2: Convert to fraction form
    13,534,343.01/18,678,574.67 = 7,423,952.49/x
  3. Step 3: Cross multiply
    13,534,343.01x = 18,678,574.67 × 7,423,952.49
  4. Step 4: Simplify right side
    13,534,343.01x = 138,668,850,893,877.66
  5. Step 5: Solve for x
    x = 138,668,850,893,877.66/13,534,343.01
  6. Step 6: Final answer
    x = 10,245,702.42

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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.