Home / 9,138,371.40-13,707,557.10-9,075,385.80

Finding the Fourth Proportional to 9,138,371.40, 13,707,557.10 and 9,075,385.80

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Solution

The fourth proportional to 9,138,371.40, 13,707,557.10 and 9,075,385.80 is: 13,613,078.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,138,371.40 : 13,707,557.10 = 9,075,385.80 : x
  2. Step 2: Convert to fraction form
    9,138,371.40/13,707,557.10 = 9,075,385.80/x
  3. Step 3: Cross multiply
    9,138,371.40x = 13,707,557.10 × 9,075,385.80
  4. Step 4: Simplify right side
    9,138,371.40x = 124,401,369,058,029.19
  5. Step 5: Solve for x
    x = 124,401,369,058,029.19/9,138,371.40
  6. Step 6: Final answer
    x = 13,613,078.70

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Double scale
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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.