Home / 30,580,001.64-42,200,389.92-16,828,965.75

Finding the Fourth Proportional to 30,580,001.64, 42,200,389.92 and 16,828,965.75

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Solution

The fourth proportional to 30,580,001.64, 42,200,389.92 and 16,828,965.75 is: 23,223,965.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,580,001.64 : 42,200,389.92 = 16,828,965.75 : x
  2. Step 2: Convert to fraction form
    30,580,001.64/42,200,389.92 = 16,828,965.75/x
  3. Step 3: Cross multiply
    30,580,001.64x = 42,200,389.92 × 16,828,965.75
  4. Step 4: Simplify right side
    30,580,001.64x = 710,188,916,600,325.25
  5. Step 5: Solve for x
    x = 710,188,916,600,325.25/30,580,001.64
  6. Step 6: Final answer
    x = 23,223,965.94

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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.