Home / 10,782,007.10-16,173,010.65-9,900,208.70

Finding the Fourth Proportional to 10,782,007.10, 16,173,010.65 and 9,900,208.70

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Solution

The fourth proportional to 10,782,007.10, 16,173,010.65 and 9,900,208.70 is: 14,850,313.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,782,007.10 : 16,173,010.65 = 9,900,208.70 : x
  2. Step 2: Convert to fraction form
    10,782,007.10/16,173,010.65 = 9,900,208.70/x
  3. Step 3: Cross multiply
    10,782,007.10x = 16,173,010.65 × 9,900,208.70
  4. Step 4: Simplify right side
    10,782,007.10x = 160,116,180,742,322.66
  5. Step 5: Solve for x
    x = 160,116,180,742,322.66/10,782,007.10
  6. Step 6: Final answer
    x = 14,850,313.05

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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.