Home / 9,979,726.50-13,771,230.39-5,627,421.54

Finding the Fourth Proportional to 9,979,726.50, 13,771,230.39 and 5,627,421.54

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Solution

The fourth proportional to 9,979,726.50, 13,771,230.39 and 5,627,421.54 is: 7,765,395.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,979,726.50 : 13,771,230.39 = 5,627,421.54 : x
  2. Step 2: Convert to fraction form
    9,979,726.50/13,771,230.39 = 5,627,421.54/x
  3. Step 3: Cross multiply
    9,979,726.50x = 13,771,230.39 × 5,627,421.54
  4. Step 4: Simplify right side
    9,979,726.50x = 77,496,518,528,988.61
  5. Step 5: Solve for x
    x = 77,496,518,528,988.61/9,979,726.50
  6. Step 6: Final answer
    x = 7,765,395.03

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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.