Home / 21,384,110.40-32,076,165.60-15,644,547.60

Finding the Fourth Proportional to 21,384,110.40, 32,076,165.60 and 15,644,547.60

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Solution

The fourth proportional to 21,384,110.40, 32,076,165.60 and 15,644,547.60 is: 23,466,821.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,384,110.40 : 32,076,165.60 = 15,644,547.60 : x
  2. Step 2: Convert to fraction form
    21,384,110.40/32,076,165.60 = 15,644,547.60/x
  3. Step 3: Cross multiply
    21,384,110.40x = 32,076,165.60 × 15,644,547.60
  4. Step 4: Simplify right side
    21,384,110.40x = 501,817,099,554,682.56
  5. Step 5: Solve for x
    x = 501,817,099,554,682.56/21,384,110.40
  6. Step 6: Final answer
    x = 23,466,821.40

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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.