Home / 7,003,969.28-10,506,275.88-2,145,927.88

Finding the Fourth Proportional to 7,003,969.28, 10,506,275.88 and 2,145,927.88

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Solution

The fourth proportional to 7,003,969.28, 10,506,275.88 and 2,145,927.88 is: 3,218,990.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,003,969.28 : 10,506,275.88 = 2,145,927.88 : x
  2. Step 2: Convert to fraction form
    7,003,969.28/10,506,275.88 = 2,145,927.88/x
  3. Step 3: Cross multiply
    7,003,969.28x = 10,506,275.88 × 2,145,927.88
  4. Step 4: Simplify right side
    7,003,969.28x = 22,545,710,325,863.54
  5. Step 5: Solve for x
    x = 22,545,710,325,863.54/7,003,969.28
  6. Step 6: Final answer
    x = 3,218,990.46

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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.