Home / 19,300,039.20-28,950,058.80-5,116,615.20

Finding the Fourth Proportional to 19,300,039.20, 28,950,058.80 and 5,116,615.20

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Solution

The fourth proportional to 19,300,039.20, 28,950,058.80 and 5,116,615.20 is: 7,674,922.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,300,039.20 : 28,950,058.80 = 5,116,615.20 : x
  2. Step 2: Convert to fraction form
    19,300,039.20/28,950,058.80 = 5,116,615.20/x
  3. Step 3: Cross multiply
    19,300,039.20x = 28,950,058.80 × 5,116,615.20
  4. Step 4: Simplify right side
    19,300,039.20x = 148,126,310,896,973.78
  5. Step 5: Solve for x
    x = 148,126,310,896,973.78/19,300,039.20
  6. Step 6: Final answer
    x = 7,674,922.80

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.