Home / 13,116,637.80-19,648,606.92-6,531,507.66

Finding the Fourth Proportional to 13,116,637.80, 19,648,606.92 and 6,531,507.66

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Solution

The fourth proportional to 13,116,637.80, 19,648,606.92 and 6,531,507.66 is: 9,784,140.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,116,637.80 : 19,648,606.92 = 6,531,507.66 : x
  2. Step 2: Convert to fraction form
    13,116,637.80/19,648,606.92 = 6,531,507.66/x
  3. Step 3: Cross multiply
    13,116,637.80x = 19,648,606.92 × 6,531,507.66
  4. Step 4: Simplify right side
    13,116,637.80x = 128,335,026,606,309.02
  5. Step 5: Solve for x
    x = 128,335,026,606,309.02/13,116,637.80
  6. Step 6: Final answer
    x = 9,784,140.46

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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.