Home / 42,296,648.13-63,431,833.19-20,423,427.93

Finding the Fourth Proportional to 42,296,648.13, 63,431,833.19 and 20,423,427.93

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Solution

The fourth proportional to 42,296,648.13, 63,431,833.19 and 20,423,427.93 is: 30,628,797.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    42,296,648.13 : 63,431,833.19 = 20,423,427.93 : x
  2. Step 2: Convert to fraction form
    42,296,648.13/63,431,833.19 = 20,423,427.93/x
  3. Step 3: Cross multiply
    42,296,648.13x = 63,431,833.19 × 20,423,427.93
  4. Step 4: Simplify right side
    42,296,648.13x = 1,295,495,473,521,630
  5. Step 5: Solve for x
    x = 1,295,495,473,521,630/42,296,648.13
  6. Step 6: Final answer
    x = 30,628,797.57

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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.