Home / 10,009,931.72-15,016,078.55-7,501,530.20

Finding the Fourth Proportional to 10,009,931.72, 15,016,078.55 and 7,501,530.20

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Solution

The fourth proportional to 10,009,931.72, 15,016,078.55 and 7,501,530.20 is: 11,253,180.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,009,931.72 : 15,016,078.55 = 7,501,530.20 : x
  2. Step 2: Convert to fraction form
    10,009,931.72/15,016,078.55 = 7,501,530.20/x
  3. Step 3: Cross multiply
    10,009,931.72x = 15,016,078.55 × 7,501,530.20
  4. Step 4: Simplify right side
    10,009,931.72x = 112,643,566,672,070.66
  5. Step 5: Solve for x
    x = 112,643,566,672,070.66/10,009,931.72
  6. Step 6: Final answer
    x = 11,253,180.33

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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.