Home / 13,137,830.40-19,721,491.20-10,159,219.20

Finding the Fourth Proportional to 13,137,830.40, 19,721,491.20 and 10,159,219.20

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Solution

The fourth proportional to 13,137,830.40, 19,721,491.20 and 10,159,219.20 is: 15,250,231.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,137,830.40 : 19,721,491.20 = 10,159,219.20 : x
  2. Step 2: Convert to fraction form
    13,137,830.40/19,721,491.20 = 10,159,219.20/x
  3. Step 3: Cross multiply
    13,137,830.40x = 19,721,491.20 × 10,159,219.20
  4. Step 4: Simplify right side
    13,137,830.40x = 200,354,952,051,671.03
  5. Step 5: Solve for x
    x = 200,354,952,051,671.03/13,137,830.40
  6. Step 6: Final answer
    x = 15,250,231.27

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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.