Home / 9,866,178.66-13,615,381.17-5,515,448.34

Finding the Fourth Proportional to 9,866,178.66, 13,615,381.17 and 5,515,448.34

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Solution

The fourth proportional to 9,866,178.66, 13,615,381.17 and 5,515,448.34 is: 7,611,349.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,866,178.66 : 13,615,381.17 = 5,515,448.34 : x
  2. Step 2: Convert to fraction form
    9,866,178.66/13,615,381.17 = 5,515,448.34/x
  3. Step 3: Cross multiply
    9,866,178.66x = 13,615,381.17 × 5,515,448.34
  4. Step 4: Simplify right side
    9,866,178.66x = 75,094,931,444,966.52
  5. Step 5: Solve for x
    x = 75,094,931,444,966.52/9,866,178.66
  6. Step 6: Final answer
    x = 7,611,349.24

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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.