Home / 5,173,743.13-7,139,772.60-2,818,929.16

Finding the Fourth Proportional to 5,173,743.13, 7,139,772.60 and 2,818,929.16

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Solution

The fourth proportional to 5,173,743.13, 7,139,772.60 and 2,818,929.16 is: 3,890,126.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,173,743.13 : 7,139,772.60 = 2,818,929.16 : x
  2. Step 2: Convert to fraction form
    5,173,743.13/7,139,772.60 = 2,818,929.16/x
  3. Step 3: Cross multiply
    5,173,743.13x = 7,139,772.60 × 2,818,929.16
  4. Step 4: Simplify right side
    5,173,743.13x = 20,126,513,177,909.02
  5. Step 5: Solve for x
    x = 20,126,513,177,909.02/5,173,743.13
  6. Step 6: Final answer
    x = 3,890,126.10

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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.