Home / 6,642,518.98-9,966,927.75-3,952,159.06

Finding the Fourth Proportional to 6,642,518.98, 9,966,927.75 and 3,952,159.06

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Solution

The fourth proportional to 6,642,518.98, 9,966,927.75 and 3,952,159.06 is: 5,930,112.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,642,518.98 : 9,966,927.75 = 3,952,159.06 : x
  2. Step 2: Convert to fraction form
    6,642,518.98/9,966,927.75 = 3,952,159.06/x
  3. Step 3: Cross multiply
    6,642,518.98x = 9,966,927.75 × 3,952,159.06
  4. Step 4: Simplify right side
    6,642,518.98x = 39,390,883,842,298.79
  5. Step 5: Solve for x
    x = 39,390,883,842,298.79/6,642,518.98
  6. Step 6: Final answer
    x = 5,930,112.35

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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.