Home / 9,768,526.46-13,478,407.82-5,637,679.84

Finding the Fourth Proportional to 9,768,526.46, 13,478,407.82 and 5,637,679.84

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Solution

The fourth proportional to 9,768,526.46, 13,478,407.82 and 5,637,679.84 is: 7,778,752.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,768,526.46 : 13,478,407.82 = 5,637,679.84 : x
  2. Step 2: Convert to fraction form
    9,768,526.46/13,478,407.82 = 5,637,679.84/x
  3. Step 3: Cross multiply
    9,768,526.46x = 13,478,407.82 × 5,637,679.84
  4. Step 4: Simplify right side
    9,768,526.46x = 75,986,948,042,112.34
  5. Step 5: Solve for x
    x = 75,986,948,042,112.34/9,768,526.46
  6. Step 6: Final answer
    x = 7,778,752.34

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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.