Home / 10,992,021.30-16,488,031.95-9,875,995.20

Finding the Fourth Proportional to 10,992,021.30, 16,488,031.95 and 9,875,995.20

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Solution

The fourth proportional to 10,992,021.30, 16,488,031.95 and 9,875,995.20 is: 14,813,992.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,992,021.30 : 16,488,031.95 = 9,875,995.20 : x
  2. Step 2: Convert to fraction form
    10,992,021.30/16,488,031.95 = 9,875,995.20/x
  3. Step 3: Cross multiply
    10,992,021.30x = 16,488,031.95 × 9,875,995.20
  4. Step 4: Simplify right side
    10,992,021.30x = 162,835,724,395,646.62
  5. Step 5: Solve for x
    x = 162,835,724,395,646.62/10,992,021.30
  6. Step 6: Final answer
    x = 14,813,992.80

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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.