Home / 10,378,328.40-15,567,548.03-6,806,712.73

Finding the Fourth Proportional to 10,378,328.40, 15,567,548.03 and 6,806,712.73

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Solution

The fourth proportional to 10,378,328.40, 15,567,548.03 and 6,806,712.73 is: 10,210,105.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,378,328.40 : 15,567,548.03 = 6,806,712.73 : x
  2. Step 2: Convert to fraction form
    10,378,328.40/15,567,548.03 = 6,806,712.73/x
  3. Step 3: Cross multiply
    10,378,328.40x = 15,567,548.03 × 6,806,712.73
  4. Step 4: Simplify right side
    10,378,328.40x = 105,963,827,350,687.42
  5. Step 5: Solve for x
    x = 105,963,827,350,687.42/10,378,328.40
  6. Step 6: Final answer
    x = 10,210,105.45

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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.