Home / 10,738,390.40-14,818,981.20-5,909,494.40

Finding the Fourth Proportional to 10,738,390.40, 14,818,981.20 and 5,909,494.40

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Solution

The fourth proportional to 10,738,390.40, 14,818,981.20 and 5,909,494.40 is: 8,155,103.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,738,390.40 : 14,818,981.20 = 5,909,494.40 : x
  2. Step 2: Convert to fraction form
    10,738,390.40/14,818,981.20 = 5,909,494.40/x
  3. Step 3: Cross multiply
    10,738,390.40x = 14,818,981.20 × 5,909,494.40
  4. Step 4: Simplify right side
    10,738,390.40x = 87,572,686,415,105.28
  5. Step 5: Solve for x
    x = 87,572,686,415,105.28/10,738,390.40
  6. Step 6: Final answer
    x = 8,155,103.62

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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.