Home / 12,803,903.28-17,669,138.04-7,002,666.48

Finding the Fourth Proportional to 12,803,903.28, 17,669,138.04 and 7,002,666.48

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Solution

The fourth proportional to 12,803,903.28, 17,669,138.04 and 7,002,666.48 is: 9,663,543.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,803,903.28 : 17,669,138.04 = 7,002,666.48 : x
  2. Step 2: Convert to fraction form
    12,803,903.28/17,669,138.04 = 7,002,666.48/x
  3. Step 3: Cross multiply
    12,803,903.28x = 17,669,138.04 × 7,002,666.48
  4. Step 4: Simplify right side
    12,803,903.28x = 123,731,080,683,200.91
  5. Step 5: Solve for x
    x = 123,731,080,683,200.91/12,803,903.28
  6. Step 6: Final answer
    x = 9,663,543.84

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.