Home / 28,980,001.90-43,470,002.85-21,752,404.30

Finding the Fourth Proportional to 28,980,001.90, 43,470,002.85 and 21,752,404.30

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Solution

The fourth proportional to 28,980,001.90, 43,470,002.85 and 21,752,404.30 is: 32,628,606.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,980,001.90 : 43,470,002.85 = 21,752,404.30 : x
  2. Step 2: Convert to fraction form
    28,980,001.90/43,470,002.85 = 21,752,404.30/x
  3. Step 3: Cross multiply
    28,980,001.90x = 43,470,002.85 × 21,752,404.30
  4. Step 4: Simplify right side
    28,980,001.90x = 945,577,076,915,352.38
  5. Step 5: Solve for x
    x = 945,577,076,915,352.38/28,980,001.90
  6. Step 6: Final answer
    x = 32,628,606.45

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Similar ratio
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1.5x scale

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.