Home / 13,779,172.10-19,005,576.41-9,068,066.60

Finding the Fourth Proportional to 13,779,172.10, 19,005,576.41 and 9,068,066.60

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Solution

The fourth proportional to 13,779,172.10, 19,005,576.41 and 9,068,066.60 is: 12,507,560.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,779,172.10 : 19,005,576.41 = 9,068,066.60 : x
  2. Step 2: Convert to fraction form
    13,779,172.10/19,005,576.41 = 9,068,066.60/x
  3. Step 3: Cross multiply
    13,779,172.10x = 19,005,576.41 × 9,068,066.60
  4. Step 4: Simplify right side
    13,779,172.10x = 172,343,832,584,911.22
  5. Step 5: Solve for x
    x = 172,343,832,584,911.22/13,779,172.10
  6. Step 6: Final answer
    x = 12,507,560.78

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.