Home / 27,022,409.36-37,293,587.16-15,421,718.96

Finding the Fourth Proportional to 27,022,409.36, 37,293,587.16 and 15,421,718.96

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Solution

The fourth proportional to 27,022,409.36, 37,293,587.16 and 15,421,718.96 is: 21,283,491.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,022,409.36 : 37,293,587.16 = 15,421,718.96 : x
  2. Step 2: Convert to fraction form
    27,022,409.36/37,293,587.16 = 15,421,718.96/x
  3. Step 3: Cross multiply
    27,022,409.36x = 37,293,587.16 × 15,421,718.96
  4. Step 4: Simplify right side
    27,022,409.36x = 575,131,220,191,784.50
  5. Step 5: Solve for x
    x = 575,131,220,191,784.50/27,022,409.36
  6. Step 6: Final answer
    x = 21,283,491.51

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1.5x scale

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.