Home / 36,645,721.32-50,559,754.98-21,170,159.40

Finding the Fourth Proportional to 36,645,721.32, 50,559,754.98 and 21,170,159.40

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Solution

The fourth proportional to 36,645,721.32, 50,559,754.98 and 21,170,159.40 is: 29,208,268.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    36,645,721.32 : 50,559,754.98 = 21,170,159.40 : x
  2. Step 2: Convert to fraction form
    36,645,721.32/50,559,754.98 = 21,170,159.40/x
  3. Step 3: Cross multiply
    36,645,721.32x = 50,559,754.98 × 21,170,159.40
  4. Step 4: Simplify right side
    36,645,721.32x = 1,070,358,072,151,543.62
  5. Step 5: Solve for x
    x = 1,070,358,072,151,543.62/36,645,721.32
  6. Step 6: Final answer
    x = 29,208,268.62

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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.