Home / 13,051,712.92-18,012,929.57-7,827,595.10

Finding the Fourth Proportional to 13,051,712.92, 18,012,929.57 and 7,827,595.10

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Solution

The fourth proportional to 13,051,712.92, 18,012,929.57 and 7,827,595.10 is: 10,803,020.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,051,712.92 : 18,012,929.57 = 7,827,595.10 : x
  2. Step 2: Convert to fraction form
    13,051,712.92/18,012,929.57 = 7,827,595.10/x
  3. Step 3: Cross multiply
    13,051,712.92x = 18,012,929.57 × 7,827,595.10
  4. Step 4: Simplify right side
    13,051,712.92x = 140,997,919,222,154.28
  5. Step 5: Solve for x
    x = 140,997,919,222,154.28/13,051,712.92
  6. Step 6: Final answer
    x = 10,803,020.27

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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.