Home / 10,121,913.80-13,968,210.24-5,475,697.50

Finding the Fourth Proportional to 10,121,913.80, 13,968,210.24 and 5,475,697.50

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Solution

The fourth proportional to 10,121,913.80, 13,968,210.24 and 5,475,697.50 is: 7,556,445.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,121,913.80 : 13,968,210.24 = 5,475,697.50 : x
  2. Step 2: Convert to fraction form
    10,121,913.80/13,968,210.24 = 5,475,697.50/x
  3. Step 3: Cross multiply
    10,121,913.80x = 13,968,210.24 × 5,475,697.50
  4. Step 4: Simplify right side
    10,121,913.80x = 76,485,693,943,023.19
  5. Step 5: Solve for x
    x = 76,485,693,943,023.19/10,121,913.80
  6. Step 6: Final answer
    x = 7,556,445.89

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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.