Home / 10,129,336.32-13,977,953.28-5,544,779.52

Finding the Fourth Proportional to 10,129,336.32, 13,977,953.28 and 5,544,779.52

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Solution

The fourth proportional to 10,129,336.32, 13,977,953.28 and 5,544,779.52 is: 7,651,505.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,129,336.32 : 13,977,953.28 = 5,544,779.52 : x
  2. Step 2: Convert to fraction form
    10,129,336.32/13,977,953.28 = 5,544,779.52/x
  3. Step 3: Cross multiply
    10,129,336.32x = 13,977,953.28 × 5,544,779.52
  4. Step 4: Simplify right side
    10,129,336.32x = 77,504,669,078,460.81
  5. Step 5: Solve for x
    x = 77,504,669,078,460.81/10,129,336.32
  6. Step 6: Final answer
    x = 7,651,505.16

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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.