Home / 10,992,006.80-16,488,010.20-9,875,980.70

Finding the Fourth Proportional to 10,992,006.80, 16,488,010.20 and 9,875,980.70

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Solution

The fourth proportional to 10,992,006.80, 16,488,010.20 and 9,875,980.70 is: 14,813,971.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,992,006.80 : 16,488,010.20 = 9,875,980.70 : x
  2. Step 2: Convert to fraction form
    10,992,006.80/16,488,010.20 = 9,875,980.70/x
  3. Step 3: Cross multiply
    10,992,006.80x = 16,488,010.20 × 9,875,980.70
  4. Step 4: Simplify right side
    10,992,006.80x = 162,835,270,516,603.12
  5. Step 5: Solve for x
    x = 162,835,270,516,603.12/10,992,006.80
  6. Step 6: Final answer
    x = 14,813,971.05

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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.