Home / 13,596,908.40-20,418,982.20-7,219,616.40

Finding the Fourth Proportional to 13,596,908.40, 20,418,982.20 and 7,219,616.40

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Solution

The fourth proportional to 13,596,908.40, 20,418,982.20 and 7,219,616.40 is: 10,841,966.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,596,908.40 : 20,418,982.20 = 7,219,616.40 : x
  2. Step 2: Convert to fraction form
    13,596,908.40/20,418,982.20 = 7,219,616.40/x
  3. Step 3: Cross multiply
    13,596,908.40x = 20,418,982.20 × 7,219,616.40
  4. Step 4: Simplify right side
    13,596,908.40x = 147,417,218,762,428.09
  5. Step 5: Solve for x
    x = 147,417,218,762,428.09/13,596,908.40
  6. Step 6: Final answer
    x = 10,841,966.01

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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.