Home / 31,909,563.03-47,828,036.50-19,418,218.10

Finding the Fourth Proportional to 31,909,563.03, 47,828,036.50 and 19,418,218.10

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Solution

The fourth proportional to 31,909,563.03, 47,828,036.50 and 19,418,218.10 is: 29,105,232.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,909,563.03 : 47,828,036.50 = 19,418,218.10 : x
  2. Step 2: Convert to fraction form
    31,909,563.03/47,828,036.50 = 19,418,218.10/x
  3. Step 3: Cross multiply
    31,909,563.03x = 47,828,036.50 × 19,418,218.10
  4. Step 4: Simplify right side
    31,909,563.03x = 928,735,243,918,117.12
  5. Step 5: Solve for x
    x = 928,735,243,918,117.12/31,909,563.03
  6. Step 6: Final answer
    x = 29,105,232.28

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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.