Home / 21,189,266.14-31,767,732.76-9,666,675.16

Finding the Fourth Proportional to 21,189,266.14, 31,767,732.76 and 9,666,675.16

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Solution

The fourth proportional to 21,189,266.14, 31,767,732.76 and 9,666,675.16 is: 14,492,637.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,189,266.14 : 31,767,732.76 = 9,666,675.16 : x
  2. Step 2: Convert to fraction form
    21,189,266.14/31,767,732.76 = 9,666,675.16/x
  3. Step 3: Cross multiply
    21,189,266.14x = 31,767,732.76 × 9,666,675.16
  4. Step 4: Simplify right side
    21,189,266.14x = 307,088,353,160,610.25
  5. Step 5: Solve for x
    x = 307,088,353,160,610.25/21,189,266.14
  6. Step 6: Final answer
    x = 14,492,637.50

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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.