Home / 7,301,120.48-10,078,648.72-4,549,167.56

Finding the Fourth Proportional to 7,301,120.48, 10,078,648.72 and 4,549,167.56

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Solution

The fourth proportional to 7,301,120.48, 10,078,648.72 and 4,549,167.56 is: 6,279,784.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,301,120.48 : 10,078,648.72 = 4,549,167.56 : x
  2. Step 2: Convert to fraction form
    7,301,120.48/10,078,648.72 = 4,549,167.56/x
  3. Step 3: Cross multiply
    7,301,120.48x = 10,078,648.72 × 4,549,167.56
  4. Step 4: Simplify right side
    7,301,120.48x = 45,849,461,805,659.52
  5. Step 5: Solve for x
    x = 45,849,461,805,659.52/7,301,120.48
  6. Step 6: Final answer
    x = 6,279,784.31

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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.