Home / 7,127,912.10-10,668,248.55-6,561,041.70

Finding the Fourth Proportional to 7,127,912.10, 10,668,248.55 and 6,561,041.70

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Solution

The fourth proportional to 7,127,912.10, 10,668,248.55 and 6,561,041.70 is: 9,819,821.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,127,912.10 : 10,668,248.55 = 6,561,041.70 : x
  2. Step 2: Convert to fraction form
    7,127,912.10/10,668,248.55 = 6,561,041.70/x
  3. Step 3: Cross multiply
    7,127,912.10x = 10,668,248.55 × 6,561,041.70
  4. Step 4: Simplify right side
    7,127,912.10x = 69,994,823,602,514.54
  5. Step 5: Solve for x
    x = 69,994,823,602,514.54/7,127,912.10
  6. Step 6: Final answer
    x = 9,819,821.38

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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.