Home / 10,711,995.20-16,083,739.20-7,531,222.40

Finding the Fourth Proportional to 10,711,995.20, 16,083,739.20 and 7,531,222.40

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Solution

The fourth proportional to 10,711,995.20, 16,083,739.20 and 7,531,222.40 is: 11,307,904.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,711,995.20 : 16,083,739.20 = 7,531,222.40 : x
  2. Step 2: Convert to fraction form
    10,711,995.20/16,083,739.20 = 7,531,222.40/x
  3. Step 3: Cross multiply
    10,711,995.20x = 16,083,739.20 × 7,531,222.40
  4. Step 4: Simplify right side
    10,711,995.20x = 121,130,216,938,798.08
  5. Step 5: Solve for x
    x = 121,130,216,938,798.08/10,711,995.20
  6. Step 6: Final answer
    x = 11,307,904.33

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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.