Home / 9,174,818.70-13,772,725.65-5,390,433.90

Finding the Fourth Proportional to 9,174,818.70, 13,772,725.65 and 5,390,433.90

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Solution

The fourth proportional to 9,174,818.70, 13,772,725.65 and 5,390,433.90 is: 8,091,818.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,174,818.70 : 13,772,725.65 = 5,390,433.90 : x
  2. Step 2: Convert to fraction form
    9,174,818.70/13,772,725.65 = 5,390,433.90/x
  3. Step 3: Cross multiply
    9,174,818.70x = 13,772,725.65 × 5,390,433.90
  4. Step 4: Simplify right side
    9,174,818.70x = 74,240,967,239,159.55
  5. Step 5: Solve for x
    x = 74,240,967,239,159.55/9,174,818.70
  6. Step 6: Final answer
    x = 8,091,818.45

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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.