Home / 47,918,541.19-71,849,041.79-21,978,348.30

Finding the Fourth Proportional to 47,918,541.19, 71,849,041.79 and 21,978,348.30

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Solution

The fourth proportional to 47,918,541.19, 71,849,041.79 and 21,978,348.30 is: 32,954,326.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    47,918,541.19 : 71,849,041.79 = 21,978,348.30 : x
  2. Step 2: Convert to fraction form
    47,918,541.19/71,849,041.79 = 21,978,348.30/x
  3. Step 3: Cross multiply
    47,918,541.19x = 71,849,041.79 × 21,978,348.30
  4. Step 4: Simplify right side
    47,918,541.19x = 1,579,123,265,481,875.75
  5. Step 5: Solve for x
    x = 1,579,123,265,481,875.75/47,918,541.19
  6. Step 6: Final answer
    x = 32,954,326.79

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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.