Home / 12,713,026.90-19,068,665.55-4,077,001.30

Finding the Fourth Proportional to 12,713,026.90, 19,068,665.55 and 4,077,001.30

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Solution

The fourth proportional to 12,713,026.90, 19,068,665.55 and 4,077,001.30 is: 6,115,221.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,713,026.90 : 19,068,665.55 = 4,077,001.30 : x
  2. Step 2: Convert to fraction form
    12,713,026.90/19,068,665.55 = 4,077,001.30/x
  3. Step 3: Cross multiply
    12,713,026.90x = 19,068,665.55 × 4,077,001.30
  4. Step 4: Simplify right side
    12,713,026.90x = 77,742,974,236,615.22
  5. Step 5: Solve for x
    x = 77,742,974,236,615.22/12,713,026.90
  6. Step 6: Final answer
    x = 6,115,221.41

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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.