Home / 12,147,388.79-16,763,595.77-7,253,038.58

Finding the Fourth Proportional to 12,147,388.79, 16,763,595.77 and 7,253,038.58

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Solution

The fourth proportional to 12,147,388.79, 16,763,595.77 and 7,253,038.58 is: 10,009,312.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,147,388.79 : 16,763,595.77 = 7,253,038.58 : x
  2. Step 2: Convert to fraction form
    12,147,388.79/16,763,595.77 = 7,253,038.58/x
  3. Step 3: Cross multiply
    12,147,388.79x = 16,763,595.77 × 7,253,038.58
  4. Step 4: Simplify right side
    12,147,388.79x = 121,587,006,823,069.62
  5. Step 5: Solve for x
    x = 121,587,006,823,069.62/12,147,388.79
  6. Step 6: Final answer
    x = 10,009,312.20

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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.