Home / 5,312,823.96-7,331,478.30-3,138,071.16

Finding the Fourth Proportional to 5,312,823.96, 7,331,478.30 and 3,138,071.16

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Solution

The fourth proportional to 5,312,823.96, 7,331,478.30 and 3,138,071.16 is: 4,330,408.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,312,823.96 : 7,331,478.30 = 3,138,071.16 : x
  2. Step 2: Convert to fraction form
    5,312,823.96/7,331,478.30 = 3,138,071.16/x
  3. Step 3: Cross multiply
    5,312,823.96x = 7,331,478.30 × 3,138,071.16
  4. Step 4: Simplify right side
    5,312,823.96x = 23,006,700,613,395.83
  5. Step 5: Solve for x
    x = 23,006,700,613,395.83/5,312,823.96
  6. Step 6: Final answer
    x = 4,330,408.99

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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.