Home / 7,611,762.96-11,417,682.74-1,931,989.10

Finding the Fourth Proportional to 7,611,762.96, 11,417,682.74 and 1,931,989.10

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Solution

The fourth proportional to 7,611,762.96, 11,417,682.74 and 1,931,989.10 is: 2,897,993.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,611,762.96 : 11,417,682.74 = 1,931,989.10 : x
  2. Step 2: Convert to fraction form
    7,611,762.96/11,417,682.74 = 1,931,989.10/x
  3. Step 3: Cross multiply
    7,611,762.96x = 11,417,682.74 × 1,931,989.10
  4. Step 4: Simplify right side
    7,611,762.96x = 22,058,838,534,189.77
  5. Step 5: Solve for x
    x = 22,058,838,534,189.77/7,611,762.96
  6. Step 6: Final answer
    x = 2,897,993.36

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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.