Home / 18,581,292,004.20-27,871,938,006.30-12,695,320,343.40

Finding the Fourth Proportional to 18,581,292,004.20, 27,871,938,006.30 and 12,695,320,343.40

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Solution

The fourth proportional to 18,581,292,004.20, 27,871,938,006.30 and 12,695,320,343.40 is: 19,042,980,515.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,581,292,004.20 : 27,871,938,006.30 = 12,695,320,343.40 : x
  2. Step 2: Convert to fraction form
    18,581,292,004.20/27,871,938,006.30 = 12,695,320,343.40/x
  3. Step 3: Cross multiply
    18,581,292,004.20x = 27,871,938,006.30 × 12,695,320,343.40
  4. Step 4: Simplify right side
    18,581,292,004.20x = 353,843,181,581,364,035,584
  5. Step 5: Solve for x
    x = 353,843,181,581,364,035,584/18,581,292,004.20
  6. Step 6: Final answer
    x = 19,042,980,515.10

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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.