Home / 9,521,506.64-13,139,638.08-5,170,557.08

Finding the Fourth Proportional to 9,521,506.64, 13,139,638.08 and 5,170,557.08

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Solution

The fourth proportional to 9,521,506.64, 13,139,638.08 and 5,170,557.08 is: 7,135,346.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,521,506.64 : 13,139,638.08 = 5,170,557.08 : x
  2. Step 2: Convert to fraction form
    9,521,506.64/13,139,638.08 = 5,170,557.08/x
  3. Step 3: Cross multiply
    9,521,506.64x = 13,139,638.08 × 5,170,557.08
  4. Step 4: Simplify right side
    9,521,506.64x = 67,939,248,703,181.61
  5. Step 5: Solve for x
    x = 67,939,248,703,181.61/9,521,506.64
  6. Step 6: Final answer
    x = 7,135,346.46

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.