Home / 9,968,543.16-13,756,601.84-5,384,864.54

Finding the Fourth Proportional to 9,968,543.16, 13,756,601.84 and 5,384,864.54

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Solution

The fourth proportional to 9,968,543.16, 13,756,601.84 and 5,384,864.54 is: 7,431,119.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,968,543.16 : 13,756,601.84 = 5,384,864.54 : x
  2. Step 2: Convert to fraction form
    9,968,543.16/13,756,601.84 = 5,384,864.54/x
  3. Step 3: Cross multiply
    9,968,543.16x = 13,756,601.84 × 5,384,864.54
  4. Step 4: Simplify right side
    9,968,543.16x = 74,077,437,343,407.42
  5. Step 5: Solve for x
    x = 74,077,437,343,407.42/9,968,543.16
  6. Step 6: Final answer
    x = 7,431,119.69

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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.