Home / 10,989,035.60-16,483,553.40-7,587,813.20

Finding the Fourth Proportional to 10,989,035.60, 16,483,553.40 and 7,587,813.20

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Solution

The fourth proportional to 10,989,035.60, 16,483,553.40 and 7,587,813.20 is: 11,381,719.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,989,035.60 : 16,483,553.40 = 7,587,813.20 : x
  2. Step 2: Convert to fraction form
    10,989,035.60/16,483,553.40 = 7,587,813.20/x
  3. Step 3: Cross multiply
    10,989,035.60x = 16,483,553.40 × 7,587,813.20
  4. Step 4: Simplify right side
    10,989,035.60x = 125,074,124,071,424.89
  5. Step 5: Solve for x
    x = 125,074,124,071,424.89/10,989,035.60
  6. Step 6: Final answer
    x = 11,381,719.80

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.