Home / 49,657,425.80-74,502,883.38-21,987,565.67

Finding the Fourth Proportional to 49,657,425.80, 74,502,883.38 and 21,987,565.67

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Solution

The fourth proportional to 49,657,425.80, 74,502,883.38 and 21,987,565.67 is: 32,988,762.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    49,657,425.80 : 74,502,883.38 = 21,987,565.67 : x
  2. Step 2: Convert to fraction form
    49,657,425.80/74,502,883.38 = 21,987,565.67/x
  3. Step 3: Cross multiply
    49,657,425.80x = 74,502,883.38 × 21,987,565.67
  4. Step 4: Simplify right side
    49,657,425.80x = 1,638,137,040,549,587
  5. Step 5: Solve for x
    x = 1,638,137,040,549,587/49,657,425.80
  6. Step 6: Final answer
    x = 32,988,762.79

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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.