Home / 31,915,430.40-47,873,145.60-19,001,414.10

Finding the Fourth Proportional to 31,915,430.40, 47,873,145.60 and 19,001,414.10

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Solution

The fourth proportional to 31,915,430.40, 47,873,145.60 and 19,001,414.10 is: 28,502,121.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,915,430.40 : 47,873,145.60 = 19,001,414.10 : x
  2. Step 2: Convert to fraction form
    31,915,430.40/47,873,145.60 = 19,001,414.10/x
  3. Step 3: Cross multiply
    31,915,430.40x = 47,873,145.60 × 19,001,414.10
  4. Step 4: Simplify right side
    31,915,430.40x = 909,657,463,815,193
  5. Step 5: Solve for x
    x = 909,657,463,815,193/31,915,430.40
  6. Step 6: Final answer
    x = 28,502,121.15

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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.