Home / 20,219,693.10-30,329,539.65-14,480,130.30

Finding the Fourth Proportional to 20,219,693.10, 30,329,539.65 and 14,480,130.30

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Solution

The fourth proportional to 20,219,693.10, 30,329,539.65 and 14,480,130.30 is: 21,720,195.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,219,693.10 : 30,329,539.65 = 14,480,130.30 : x
  2. Step 2: Convert to fraction form
    20,219,693.10/30,329,539.65 = 14,480,130.30/x
  3. Step 3: Cross multiply
    20,219,693.10x = 30,329,539.65 × 14,480,130.30
  4. Step 4: Simplify right side
    20,219,693.10x = 439,175,686,071,016.38
  5. Step 5: Solve for x
    x = 439,175,686,071,016.38/20,219,693.10
  6. Step 6: Final answer
    x = 21,720,195.45

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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.