Home / 51,943,007.13-71,681,311.79-28,421,698.32

Finding the Fourth Proportional to 51,943,007.13, 71,681,311.79 and 28,421,698.32

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Solution

The fourth proportional to 51,943,007.13, 71,681,311.79 and 28,421,698.32 is: 39,221,922.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    51,943,007.13 : 71,681,311.79 = 28,421,698.32 : x
  2. Step 2: Convert to fraction form
    51,943,007.13/71,681,311.79 = 28,421,698.32/x
  3. Step 3: Cross multiply
    51,943,007.13x = 71,681,311.79 × 28,421,698.32
  4. Step 4: Simplify right side
    51,943,007.13x = 2,037,304,618,518,833
  5. Step 5: Solve for x
    x = 2,037,304,618,518,833/51,943,007.13
  6. Step 6: Final answer
    x = 39,221,922.86

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.