Home / 13,878,436.51-20,805,289.77-6,587,398.14

Finding the Fourth Proportional to 13,878,436.51, 20,805,289.77 and 6,587,398.14

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Solution

The fourth proportional to 13,878,436.51, 20,805,289.77 and 6,587,398.14 is: 9,875,228.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,878,436.51 : 20,805,289.77 = 6,587,398.14 : x
  2. Step 2: Convert to fraction form
    13,878,436.51/20,805,289.77 = 6,587,398.14/x
  3. Step 3: Cross multiply
    13,878,436.51x = 20,805,289.77 × 6,587,398.14
  4. Step 4: Simplify right side
    13,878,436.51x = 137,052,727,133,059.02
  5. Step 5: Solve for x
    x = 137,052,727,133,059.02/13,878,436.51
  6. Step 6: Final answer
    x = 9,875,228.17

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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.