Home / 6,448,472.47-8,897,430.88-4,707,090.81

Finding the Fourth Proportional to 6,448,472.47, 8,897,430.88 and 4,707,090.81

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Solution

The fourth proportional to 6,448,472.47, 8,897,430.88 and 4,707,090.81 is: 6,494,718.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,448,472.47 : 8,897,430.88 = 4,707,090.81 : x
  2. Step 2: Convert to fraction form
    6,448,472.47/8,897,430.88 = 4,707,090.81/x
  3. Step 3: Cross multiply
    6,448,472.47x = 8,897,430.88 × 4,707,090.81
  4. Step 4: Simplify right side
    6,448,472.47x = 41,881,015,082,240.66
  5. Step 5: Solve for x
    x = 41,881,015,082,240.66/6,448,472.47
  6. Step 6: Final answer
    x = 6,494,718.75

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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.