Home / 9,260,073.36-12,778,990.92-5,130,192.38

Finding the Fourth Proportional to 9,260,073.36, 12,778,990.92 and 5,130,192.38

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Solution

The fourth proportional to 9,260,073.36, 12,778,990.92 and 5,130,192.38 is: 7,079,715.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,260,073.36 : 12,778,990.92 = 5,130,192.38 : x
  2. Step 2: Convert to fraction form
    9,260,073.36/12,778,990.92 = 5,130,192.38/x
  3. Step 3: Cross multiply
    9,260,073.36x = 12,778,990.92 × 5,130,192.38
  4. Step 4: Simplify right side
    9,260,073.36x = 65,558,681,777,978.23
  5. Step 5: Solve for x
    x = 65,558,681,777,978.23/9,260,073.36
  6. Step 6: Final answer
    x = 7,079,715.16

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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.