Home / 7,309,642.50-10,087,386.48-4,046,511.78

Finding the Fourth Proportional to 7,309,642.50, 10,087,386.48 and 4,046,511.78

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Solution

The fourth proportional to 7,309,642.50, 10,087,386.48 and 4,046,511.78 is: 5,584,230.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,309,642.50 : 10,087,386.48 = 4,046,511.78 : x
  2. Step 2: Convert to fraction form
    7,309,642.50/10,087,386.48 = 4,046,511.78/x
  3. Step 3: Cross multiply
    7,309,642.50x = 10,087,386.48 × 4,046,511.78
  4. Step 4: Simplify right side
    7,309,642.50x = 40,818,728,220,732.73
  5. Step 5: Solve for x
    x = 40,818,728,220,732.73/7,309,642.50
  6. Step 6: Final answer
    x = 5,584,230.45

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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.