Home / 21,352,024.30-32,028,036.45-20,360,001.10

Finding the Fourth Proportional to 21,352,024.30, 32,028,036.45 and 20,360,001.10

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Solution

The fourth proportional to 21,352,024.30, 32,028,036.45 and 20,360,001.10 is: 30,540,001.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,352,024.30 : 32,028,036.45 = 20,360,001.10 : x
  2. Step 2: Convert to fraction form
    21,352,024.30/32,028,036.45 = 20,360,001.10/x
  3. Step 3: Cross multiply
    21,352,024.30x = 32,028,036.45 × 20,360,001.10
  4. Step 4: Simplify right side
    21,352,024.30x = 652,090,857,352,840.12
  5. Step 5: Solve for x
    x = 652,090,857,352,840.12/21,352,024.30
  6. Step 6: Final answer
    x = 30,540,001.65

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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.