Home / 10,842,031.60-16,281,709.80-7,669,423.60

Finding the Fourth Proportional to 10,842,031.60, 16,281,709.80 and 7,669,423.60

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Solution

The fourth proportional to 10,842,031.60, 16,281,709.80 and 7,669,423.60 is: 11,517,336.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,842,031.60 : 16,281,709.80 = 7,669,423.60 : x
  2. Step 2: Convert to fraction form
    10,842,031.60/16,281,709.80 = 7,669,423.60/x
  3. Step 3: Cross multiply
    10,842,031.60x = 16,281,709.80 × 7,669,423.60
  4. Step 4: Simplify right side
    10,842,031.60x = 124,871,329,388,471.28
  5. Step 5: Solve for x
    x = 124,871,329,388,471.28/10,842,031.60
  6. Step 6: Final answer
    x = 11,517,336.79

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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.