Home / 21,384,004.10-32,076,006.15-19,219,165.70

Finding the Fourth Proportional to 21,384,004.10, 32,076,006.15 and 19,219,165.70

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Solution

The fourth proportional to 21,384,004.10, 32,076,006.15 and 19,219,165.70 is: 28,828,748.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,384,004.10 : 32,076,006.15 = 19,219,165.70 : x
  2. Step 2: Convert to fraction form
    21,384,004.10/32,076,006.15 = 19,219,165.70/x
  3. Step 3: Cross multiply
    21,384,004.10x = 32,076,006.15 × 19,219,165.70
  4. Step 4: Simplify right side
    21,384,004.10x = 616,474,077,191,069
  5. Step 5: Solve for x
    x = 616,474,077,191,069/21,384,004.10
  6. Step 6: Final answer
    x = 28,828,748.55

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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.