Home / 42,203,008.28-63,303,331.43-13,450,869.20

Finding the Fourth Proportional to 42,203,008.28, 63,303,331.43 and 13,450,869.20

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Solution

The fourth proportional to 42,203,008.28, 63,303,331.43 and 13,450,869.20 is: 20,175,927.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    42,203,008.28 : 63,303,331.43 = 13,450,869.20 : x
  2. Step 2: Convert to fraction form
    42,203,008.28/63,303,331.43 = 13,450,869.20/x
  3. Step 3: Cross multiply
    42,203,008.28x = 63,303,331.43 × 13,450,869.20
  4. Step 4: Simplify right side
    42,203,008.28x = 851,484,830,672,662.38
  5. Step 5: Solve for x
    x = 851,484,830,672,662.38/42,203,008.28
  6. Step 6: Final answer
    x = 20,175,927.39

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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.