Home / 7,921,406.40-11,886,775.20-5,233,502.40

Finding the Fourth Proportional to 7,921,406.40, 11,886,775.20 and 5,233,502.40

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Solution

The fourth proportional to 7,921,406.40, 11,886,775.20 and 5,233,502.40 is: 7,853,336.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,921,406.40 : 11,886,775.20 = 5,233,502.40 : x
  2. Step 2: Convert to fraction form
    7,921,406.40/11,886,775.20 = 5,233,502.40/x
  3. Step 3: Cross multiply
    7,921,406.40x = 11,886,775.20 × 5,233,502.40
  4. Step 4: Simplify right side
    7,921,406.40x = 62,209,466,537,460.48
  5. Step 5: Solve for x
    x = 62,209,466,537,460.48/7,921,406.40
  6. Step 6: Final answer
    x = 7,853,336.06

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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.