Home / 21,241,091.36-31,855,040.40-7,592,345.12

Finding the Fourth Proportional to 21,241,091.36, 31,855,040.40 and 7,592,345.12

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Solution

The fourth proportional to 21,241,091.36, 31,855,040.40 and 7,592,345.12 is: 11,386,159.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,241,091.36 : 31,855,040.40 = 7,592,345.12 : x
  2. Step 2: Convert to fraction form
    21,241,091.36/31,855,040.40 = 7,592,345.12/x
  3. Step 3: Cross multiply
    21,241,091.36x = 31,855,040.40 × 7,592,345.12
  4. Step 4: Simplify right side
    21,241,091.36x = 241,854,460,528,342.84
  5. Step 5: Solve for x
    x = 241,854,460,528,342.84/21,241,091.36
  6. Step 6: Final answer
    x = 11,386,159.80

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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.