Home / 12,762,030.44-19,151,327.10-7,640,601.32

Finding the Fourth Proportional to 12,762,030.44, 19,151,327.10 and 7,640,601.32

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Solution

The fourth proportional to 12,762,030.44, 19,151,327.10 and 7,640,601.32 is: 11,465,860.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,762,030.44 : 19,151,327.10 = 7,640,601.32 : x
  2. Step 2: Convert to fraction form
    12,762,030.44/19,151,327.10 = 7,640,601.32/x
  3. Step 3: Cross multiply
    12,762,030.44x = 19,151,327.10 × 7,640,601.32
  4. Step 4: Simplify right side
    12,762,030.44x = 146,327,655,120,011.78
  5. Step 5: Solve for x
    x = 146,327,655,120,011.78/12,762,030.44
  6. Step 6: Final answer
    x = 11,465,860.06

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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.