Home / 28,312,372.11-39,058,779.51-17,993,559.36

Finding the Fourth Proportional to 28,312,372.11, 39,058,779.51 and 17,993,559.36

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Solution

The fourth proportional to 28,312,372.11, 39,058,779.51 and 17,993,559.36 is: 24,823,298.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,312,372.11 : 39,058,779.51 = 17,993,559.36 : x
  2. Step 2: Convert to fraction form
    28,312,372.11/39,058,779.51 = 17,993,559.36/x
  3. Step 3: Cross multiply
    28,312,372.11x = 39,058,779.51 × 17,993,559.36
  4. Step 4: Simplify right side
    28,312,372.11x = 702,806,467,642,336.62
  5. Step 5: Solve for x
    x = 702,806,467,642,336.62/28,312,372.11
  6. Step 6: Final answer
    x = 24,823,298.62

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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.