Home / 13,929,374.01-19,222,536.12-7,817,802.51

Finding the Fourth Proportional to 13,929,374.01, 19,222,536.12 and 7,817,802.51

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Solution

The fourth proportional to 13,929,374.01, 19,222,536.12 and 7,817,802.51 is: 10,788,567.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,929,374.01 : 19,222,536.12 = 7,817,802.51 : x
  2. Step 2: Convert to fraction form
    13,929,374.01/19,222,536.12 = 7,817,802.51/x
  3. Step 3: Cross multiply
    13,929,374.01x = 19,222,536.12 × 7,817,802.51
  4. Step 4: Simplify right side
    13,929,374.01x = 150,277,991,127,501.66
  5. Step 5: Solve for x
    x = 150,277,991,127,501.66/13,929,374.01
  6. Step 6: Final answer
    x = 10,788,567.46

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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.