Home / 15,306,759,043.71-21,123,327,308.72-8,266,228,675.71

Finding the Fourth Proportional to 15,306,759,043.71, 21,123,327,308.72 and 8,266,228,675.71

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Solution

The fourth proportional to 15,306,759,043.71, 21,123,327,308.72 and 8,266,228,675.71 is: 11,407,395,479.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,306,759,043.71 : 21,123,327,308.72 = 8,266,228,675.71 : x
  2. Step 2: Convert to fraction form
    15,306,759,043.71/21,123,327,308.72 = 8,266,228,675.71/x
  3. Step 3: Cross multiply
    15,306,759,043.71x = 21,123,327,308.72 × 8,266,228,675.71
  4. Step 4: Simplify right side
    15,306,759,043.71x = 174,610,253,925,749,424,128
  5. Step 5: Solve for x
    x = 174,610,253,925,749,424,128/15,306,759,043.71
  6. Step 6: Final answer
    x = 11,407,395,479.81

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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.