Home / 7,888,055.40-11,825,171.10-5,355,498.60

Finding the Fourth Proportional to 7,888,055.40, 11,825,171.10 and 5,355,498.60

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Solution

The fourth proportional to 7,888,055.40, 11,825,171.10 and 5,355,498.60 is: 8,028,555.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,888,055.40 : 11,825,171.10 = 5,355,498.60 : x
  2. Step 2: Convert to fraction form
    7,888,055.40/11,825,171.10 = 5,355,498.60/x
  3. Step 3: Cross multiply
    7,888,055.40x = 11,825,171.10 × 5,355,498.60
  4. Step 4: Simplify right side
    7,888,055.40x = 63,329,687,270,810.45
  5. Step 5: Solve for x
    x = 63,329,687,270,810.45/7,888,055.40
  6. Step 6: Final answer
    x = 8,028,555.08

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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.