Home / 21,739,983.31-30,001,549.63-11,950,840.09

Finding the Fourth Proportional to 21,739,983.31, 30,001,549.63 and 11,950,840.09

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Solution

The fourth proportional to 21,739,983.31, 30,001,549.63 and 11,950,840.09 is: 16,492,364.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,739,983.31 : 30,001,549.63 = 11,950,840.09 : x
  2. Step 2: Convert to fraction form
    21,739,983.31/30,001,549.63 = 11,950,840.09/x
  3. Step 3: Cross multiply
    21,739,983.31x = 30,001,549.63 × 11,950,840.09
  4. Step 4: Simplify right side
    21,739,983.31x = 358,543,721,908,008.81
  5. Step 5: Solve for x
    x = 358,543,721,908,008.81/21,739,983.31
  6. Step 6: Final answer
    x = 16,492,364.18

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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.