Home / 38,179,952-52,688,342.40-21,010,544

Finding the Fourth Proportional to 38,179,952, 52,688,342.40 and 21,010,544

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Solution

The fourth proportional to 38,179,952, 52,688,342.40 and 21,010,544 is: 28,994,555.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,179,952 : 52,688,342.40 = 21,010,544 : x
  2. Step 2: Convert to fraction form
    38,179,952/52,688,342.40 = 21,010,544/x
  3. Step 3: Cross multiply
    38,179,952x = 52,688,342.40 × 21,010,544
  4. Step 4: Simplify right side
    38,179,952x = 1,107,010,736,282,265.62
  5. Step 5: Solve for x
    x = 1,107,010,736,282,265.62/38,179,952
  6. Step 6: Final answer
    x = 28,994,555.47

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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.