Home / 21,018,221.04-31,528,271.16-6,444,091.92

Finding the Fourth Proportional to 21,018,221.04, 31,528,271.16 and 6,444,091.92

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Solution

The fourth proportional to 21,018,221.04, 31,528,271.16 and 6,444,091.92 is: 9,666,425.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,018,221.04 : 31,528,271.16 = 6,444,091.92 : x
  2. Step 2: Convert to fraction form
    21,018,221.04/31,528,271.16 = 6,444,091.92/x
  3. Step 3: Cross multiply
    21,018,221.04x = 31,528,271.16 × 6,444,091.92
  4. Step 4: Simplify right side
    21,018,221.04x = 203,171,077,433,725.03
  5. Step 5: Solve for x
    x = 203,171,077,433,725.03/21,018,221.04
  6. Step 6: Final answer
    x = 9,666,425.96

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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.