Home / 9,345,198-12,896,298.16-5,425,317.84

Finding the Fourth Proportional to 9,345,198, 12,896,298.16 and 5,425,317.84

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Solution

The fourth proportional to 9,345,198, 12,896,298.16 and 5,425,317.84 is: 7,486,895.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,345,198 : 12,896,298.16 = 5,425,317.84 : x
  2. Step 2: Convert to fraction form
    9,345,198/12,896,298.16 = 5,425,317.84/x
  3. Step 3: Cross multiply
    9,345,198x = 12,896,298.16 × 5,425,317.84
  4. Step 4: Simplify right side
    9,345,198x = 69,966,516,477,407.17
  5. Step 5: Solve for x
    x = 69,966,516,477,407.17/9,345,198
  6. Step 6: Final answer
    x = 7,486,895.03

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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.