Home / 21,384,187.30-32,076,280.95-5,210,010.10

Finding the Fourth Proportional to 21,384,187.30, 32,076,280.95 and 5,210,010.10

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Solution

The fourth proportional to 21,384,187.30, 32,076,280.95 and 5,210,010.10 is: 7,815,015.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,384,187.30 : 32,076,280.95 = 5,210,010.10 : x
  2. Step 2: Convert to fraction form
    21,384,187.30/32,076,280.95 = 5,210,010.10/x
  3. Step 3: Cross multiply
    21,384,187.30x = 32,076,280.95 × 5,210,010.10
  4. Step 4: Simplify right side
    21,384,187.30x = 167,117,747,719,937.59
  5. Step 5: Solve for x
    x = 167,117,747,719,937.59/21,384,187.30
  6. Step 6: Final answer
    x = 7,815,015.15

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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.