Home / 28,236,213.16-38,968,853.70-16,637,393.32

Finding the Fourth Proportional to 28,236,213.16, 38,968,853.70 and 16,637,393.32

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Solution

The fourth proportional to 28,236,213.16, 38,968,853.70 and 16,637,393.32 is: 22,961,299.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,236,213.16 : 38,968,853.70 = 16,637,393.32 : x
  2. Step 2: Convert to fraction form
    28,236,213.16/38,968,853.70 = 16,637,393.32/x
  3. Step 3: Cross multiply
    28,236,213.16x = 38,968,853.70 × 16,637,393.32
  4. Step 4: Simplify right side
    28,236,213.16x = 648,340,146,236,437.38
  5. Step 5: Solve for x
    x = 648,340,146,236,437.38/28,236,213.16
  6. Step 6: Final answer
    x = 22,961,299.47

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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.