Home / 15,271,005,799.66-21,073,657,528.81-8,841,096,897.88

Finding the Fourth Proportional to 15,271,005,799.66, 21,073,657,528.81 and 8,841,096,897.88

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Solution

The fourth proportional to 15,271,005,799.66, 21,073,657,528.81 and 8,841,096,897.88 is: 12,200,522,391.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,271,005,799.66 : 21,073,657,528.81 = 8,841,096,897.88 : x
  2. Step 2: Convert to fraction form
    15,271,005,799.66/21,073,657,528.81 = 8,841,096,897.88/x
  3. Step 3: Cross multiply
    15,271,005,799.66x = 21,073,657,528.81 × 8,841,096,897.88
  4. Step 4: Simplify right side
    15,271,005,799.66x = 186,314,248,204,947,587,072
  5. Step 5: Solve for x
    x = 186,314,248,204,947,587,072/15,271,005,799.66
  6. Step 6: Final answer
    x = 12,200,522,391.86

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1.5x scale

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.