Home / 13,146,810.60-19,720,215.90-11,131,271.40

Finding the Fourth Proportional to 13,146,810.60, 19,720,215.90 and 11,131,271.40

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Solution

The fourth proportional to 13,146,810.60, 19,720,215.90 and 11,131,271.40 is: 16,696,907.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,146,810.60 : 19,720,215.90 = 11,131,271.40 : x
  2. Step 2: Convert to fraction form
    13,146,810.60/19,720,215.90 = 11,131,271.40/x
  3. Step 3: Cross multiply
    13,146,810.60x = 19,720,215.90 × 11,131,271.40
  4. Step 4: Simplify right side
    13,146,810.60x = 219,511,075,249,495.25
  5. Step 5: Solve for x
    x = 219,511,075,249,495.25/13,146,810.60
  6. Step 6: Final answer
    x = 16,696,907.10

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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.