Home / 7,139,316.30-10,708,974.45-6,828,324.90

Finding the Fourth Proportional to 7,139,316.30, 10,708,974.45 and 6,828,324.90

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Solution

The fourth proportional to 7,139,316.30, 10,708,974.45 and 6,828,324.90 is: 10,242,487.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,139,316.30 : 10,708,974.45 = 6,828,324.90 : x
  2. Step 2: Convert to fraction form
    7,139,316.30/10,708,974.45 = 6,828,324.90/x
  3. Step 3: Cross multiply
    7,139,316.30x = 10,708,974.45 × 6,828,324.90
  4. Step 4: Simplify right side
    7,139,316.30x = 73,124,356,890,398.80
  5. Step 5: Solve for x
    x = 73,124,356,890,398.80/7,139,316.30
  6. Step 6: Final answer
    x = 10,242,487.35

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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.