Home / 10,838,905.88-14,961,898.14-8,130,530.84

Finding the Fourth Proportional to 10,838,905.88, 14,961,898.14 and 8,130,530.84

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Solution

The fourth proportional to 10,838,905.88, 14,961,898.14 and 8,130,530.84 is: 11,223,289.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,838,905.88 : 14,961,898.14 = 8,130,530.84 : x
  2. Step 2: Convert to fraction form
    10,838,905.88/14,961,898.14 = 8,130,530.84/x
  3. Step 3: Cross multiply
    10,838,905.88x = 14,961,898.14 × 8,130,530.84
  4. Step 4: Simplify right side
    10,838,905.88x = 121,648,174,252,208.64
  5. Step 5: Solve for x
    x = 121,648,174,252,208.64/10,838,905.88
  6. Step 6: Final answer
    x = 11,223,289.10

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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.