Home / 20,572,036.60-30,929,205.30-19,240,007.80

Finding the Fourth Proportional to 20,572,036.60, 30,929,205.30 and 19,240,007.80

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Solution

The fourth proportional to 20,572,036.60, 30,929,205.30 and 19,240,007.80 is: 28,926,555.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,572,036.60 : 30,929,205.30 = 19,240,007.80 : x
  2. Step 2: Convert to fraction form
    20,572,036.60/30,929,205.30 = 19,240,007.80/x
  3. Step 3: Cross multiply
    20,572,036.60x = 30,929,205.30 × 19,240,007.80
  4. Step 4: Simplify right side
    20,572,036.60x = 595,078,151,219,801.38
  5. Step 5: Solve for x
    x = 595,078,151,219,801.38/20,572,036.60
  6. Step 6: Final answer
    x = 28,926,555.15

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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.