Home / 28,759,427.40-43,139,141.10-13,642,883.40

Finding the Fourth Proportional to 28,759,427.40, 43,139,141.10 and 13,642,883.40

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Solution

The fourth proportional to 28,759,427.40, 43,139,141.10 and 13,642,883.40 is: 20,464,325.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,759,427.40 : 43,139,141.10 = 13,642,883.40 : x
  2. Step 2: Convert to fraction form
    28,759,427.40/43,139,141.10 = 13,642,883.40/x
  3. Step 3: Cross multiply
    28,759,427.40x = 43,139,141.10 × 13,642,883.40
  4. Step 4: Simplify right side
    28,759,427.40x = 588,542,272,003,447.75
  5. Step 5: Solve for x
    x = 588,542,272,003,447.75/28,759,427.40
  6. Step 6: Final answer
    x = 20,464,325.10

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1.5x scale

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.