Home / 15,541,571,087.10-21,447,432,275.75-8,404,984,744.06

Finding the Fourth Proportional to 15,541,571,087.10, 21,447,432,275.75 and 8,404,984,744.06

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Solution

The fourth proportional to 15,541,571,087.10, 21,447,432,275.75 and 8,404,984,744.06 is: 11,598,913,653.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,541,571,087.10 : 21,447,432,275.75 = 8,404,984,744.06 : x
  2. Step 2: Convert to fraction form
    15,541,571,087.10/21,447,432,275.75 = 8,404,984,744.06/x
  3. Step 3: Cross multiply
    15,541,571,087.10x = 21,447,432,275.75 × 8,404,984,744.06
  4. Step 4: Simplify right side
    15,541,571,087.10x = 180,265,341,076,938,817,536
  5. Step 5: Solve for x
    x = 180,265,341,076,938,817,536/15,541,571,087.10
  6. Step 6: Final answer
    x = 11,598,913,653.37

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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.