Home / 10,987,686.40-16,484,035.20-3,415,417.60

Finding the Fourth Proportional to 10,987,686.40, 16,484,035.20 and 3,415,417.60

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Solution

The fourth proportional to 10,987,686.40, 16,484,035.20 and 3,415,417.60 is: 5,123,905.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,987,686.40 : 16,484,035.20 = 3,415,417.60 : x
  2. Step 2: Convert to fraction form
    10,987,686.40/16,484,035.20 = 3,415,417.60/x
  3. Step 3: Cross multiply
    10,987,686.40x = 16,484,035.20 × 3,415,417.60
  4. Step 4: Simplify right side
    10,987,686.40x = 56,299,863,941,099.52
  5. Step 5: Solve for x
    x = 56,299,863,941,099.52/10,987,686.40
  6. Step 6: Final answer
    x = 5,123,905.24

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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.