Home / 14,274,661.20-19,699,047.84-7,748,289.60

Finding the Fourth Proportional to 14,274,661.20, 19,699,047.84 and 7,748,289.60

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Solution

The fourth proportional to 14,274,661.20, 19,699,047.84 and 7,748,289.60 is: 10,692,648.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,274,661.20 : 19,699,047.84 = 7,748,289.60 : x
  2. Step 2: Convert to fraction form
    14,274,661.20/19,699,047.84 = 7,748,289.60/x
  3. Step 3: Cross multiply
    14,274,661.20x = 19,699,047.84 × 7,748,289.60
  4. Step 4: Simplify right side
    14,274,661.20x = 152,633,927,508,574.47
  5. Step 5: Solve for x
    x = 152,633,927,508,574.47/14,274,661.20
  6. Step 6: Final answer
    x = 10,692,648.00

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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.