Home / 7,187,179-9,917,179.50-4,130,822.20

Finding the Fourth Proportional to 7,187,179, 9,917,179.50 and 4,130,822.20

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Solution

The fourth proportional to 7,187,179, 9,917,179.50 and 4,130,822.20 is: 5,699,886.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,187,179 : 9,917,179.50 = 4,130,822.20 : x
  2. Step 2: Convert to fraction form
    7,187,179/9,917,179.50 = 4,130,822.20/x
  3. Step 3: Cross multiply
    7,187,179x = 9,917,179.50 × 4,130,822.20
  4. Step 4: Simplify right side
    7,187,179x = 40,966,105,239,984.90
  5. Step 5: Solve for x
    x = 40,966,105,239,984.90/7,187,179
  6. Step 6: Final answer
    x = 5,699,886.60

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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.