Home / 27,991,548.07-38,610,303.82-18,572,135.18

Finding the Fourth Proportional to 27,991,548.07, 38,610,303.82 and 18,572,135.18

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Solution

The fourth proportional to 27,991,548.07, 38,610,303.82 and 18,572,135.18 is: 25,617,582.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,991,548.07 : 38,610,303.82 = 18,572,135.18 : x
  2. Step 2: Convert to fraction form
    27,991,548.07/38,610,303.82 = 18,572,135.18/x
  3. Step 3: Cross multiply
    27,991,548.07x = 38,610,303.82 × 18,572,135.18
  4. Step 4: Simplify right side
    27,991,548.07x = 717,075,781,646,428.62
  5. Step 5: Solve for x
    x = 717,075,781,646,428.62/27,991,548.07
  6. Step 6: Final answer
    x = 25,617,582.13

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Double scale
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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.