Home / 15,931,364,202.55-21,985,352,820.12-8,794,836,657.36

Finding the Fourth Proportional to 15,931,364,202.55, 21,985,352,820.12 and 8,794,836,657.36

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Solution

The fourth proportional to 15,931,364,202.55, 21,985,352,820.12 and 8,794,836,657.36 is: 12,136,913,352.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,931,364,202.55 : 21,985,352,820.12 = 8,794,836,657.36 : x
  2. Step 2: Convert to fraction form
    15,931,364,202.55/21,985,352,820.12 = 8,794,836,657.36/x
  3. Step 3: Cross multiply
    15,931,364,202.55x = 21,985,352,820.12 × 8,794,836,657.36
  4. Step 4: Simplify right side
    15,931,364,202.55x = 193,357,586,907,415,248,896
  5. Step 5: Solve for x
    x = 193,357,586,907,415,248,896/15,931,364,202.55
  6. Step 6: Final answer
    x = 12,136,913,352.12

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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.