Home / 7,127,908.60-10,668,243.30-6,561,038.20

Finding the Fourth Proportional to 7,127,908.60, 10,668,243.30 and 6,561,038.20

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Solution

The fourth proportional to 7,127,908.60, 10,668,243.30 and 6,561,038.20 is: 9,819,816.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,127,908.60 : 10,668,243.30 = 6,561,038.20 : x
  2. Step 2: Convert to fraction form
    7,127,908.60/10,668,243.30 = 6,561,038.20/x
  3. Step 3: Cross multiply
    7,127,908.60x = 10,668,243.30 × 6,561,038.20
  4. Step 4: Simplify right side
    7,127,908.60x = 69,994,751,818,194.07
  5. Step 5: Solve for x
    x = 69,994,751,818,194.07/7,127,908.60
  6. Step 6: Final answer
    x = 9,819,816.13

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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.