Home / 13,739,730.66-18,960,088.10-7,627,765.50

Finding the Fourth Proportional to 13,739,730.66, 18,960,088.10 and 7,627,765.50

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Solution

The fourth proportional to 13,739,730.66, 18,960,088.10 and 7,627,765.50 is: 10,525,905.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,739,730.66 : 18,960,088.10 = 7,627,765.50 : x
  2. Step 2: Convert to fraction form
    13,739,730.66/18,960,088.10 = 7,627,765.50/x
  3. Step 3: Cross multiply
    13,739,730.66x = 18,960,088.10 × 7,627,765.50
  4. Step 4: Simplify right side
    13,739,730.66x = 144,623,105,848,001.72
  5. Step 5: Solve for x
    x = 144,623,105,848,001.72/13,739,730.66
  6. Step 6: Final answer
    x = 10,525,905.45

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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.