Home / 9,280,502.11-12,808,633.20-5,413,023.28

Finding the Fourth Proportional to 9,280,502.11, 12,808,633.20 and 5,413,023.28

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Solution

The fourth proportional to 9,280,502.11, 12,808,633.20 and 5,413,023.28 is: 7,470,870.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,280,502.11 : 12,808,633.20 = 5,413,023.28 : x
  2. Step 2: Convert to fraction form
    9,280,502.11/12,808,633.20 = 5,413,023.28/x
  3. Step 3: Cross multiply
    9,280,502.11x = 12,808,633.20 × 5,413,023.28
  4. Step 4: Simplify right side
    9,280,502.11x = 69,333,429,696,580.90
  5. Step 5: Solve for x
    x = 69,333,429,696,580.90/9,280,502.11
  6. Step 6: Final answer
    x = 7,470,870.53

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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.