Home / 9,345,761.28-12,893,982.72-7,623,905.28

Finding the Fourth Proportional to 9,345,761.28, 12,893,982.72 and 7,623,905.28

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Solution

The fourth proportional to 9,345,761.28, 12,893,982.72 and 7,623,905.28 is: 10,518,405.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,345,761.28 : 12,893,982.72 = 7,623,905.28 : x
  2. Step 2: Convert to fraction form
    9,345,761.28/12,893,982.72 = 7,623,905.28/x
  3. Step 3: Cross multiply
    9,345,761.28x = 12,893,982.72 × 7,623,905.28
  4. Step 4: Simplify right side
    9,345,761.28x = 98,302,502,939,236.77
  5. Step 5: Solve for x
    x = 98,302,502,939,236.77/9,345,761.28
  6. Step 6: Final answer
    x = 10,518,405.08

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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.