Home / 21,153,166.38-31,734,317.88-6,579,808.68

Finding the Fourth Proportional to 21,153,166.38, 31,734,317.88 and 6,579,808.68

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Solution

The fourth proportional to 21,153,166.38, 31,734,317.88 and 6,579,808.68 is: 9,871,134.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,153,166.38 : 31,734,317.88 = 6,579,808.68 : x
  2. Step 2: Convert to fraction form
    21,153,166.38/31,734,317.88 = 6,579,808.68/x
  3. Step 3: Cross multiply
    21,153,166.38x = 31,734,317.88 × 6,579,808.68
  4. Step 4: Simplify right side
    21,153,166.38x = 208,805,740,240,703.19
  5. Step 5: Solve for x
    x = 208,805,740,240,703.19/21,153,166.38
  6. Step 6: Final answer
    x = 9,871,134.02

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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.