Home / 10,992,303.70-16,488,455.55-7,803,657.70

Finding the Fourth Proportional to 10,992,303.70, 16,488,455.55 and 7,803,657.70

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Solution

The fourth proportional to 10,992,303.70, 16,488,455.55 and 7,803,657.70 is: 11,705,486.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,992,303.70 : 16,488,455.55 = 7,803,657.70 : x
  2. Step 2: Convert to fraction form
    10,992,303.70/16,488,455.55 = 7,803,657.70/x
  3. Step 3: Cross multiply
    10,992,303.70x = 16,488,455.55 × 7,803,657.70
  4. Step 4: Simplify right side
    10,992,303.70x = 128,670,263,113,865.25
  5. Step 5: Solve for x
    x = 128,670,263,113,865.25/10,992,303.70
  6. Step 6: Final answer
    x = 11,705,486.55

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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.