Home / 21,854,577.28-30,158,526.65-12,064,811.68

Finding the Fourth Proportional to 21,854,577.28, 30,158,526.65 and 12,064,811.68

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Solution

The fourth proportional to 21,854,577.28, 30,158,526.65 and 12,064,811.68 is: 16,649,004.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,854,577.28 : 30,158,526.65 = 12,064,811.68 : x
  2. Step 2: Convert to fraction form
    21,854,577.28/30,158,526.65 = 12,064,811.68/x
  3. Step 3: Cross multiply
    21,854,577.28x = 30,158,526.65 × 12,064,811.68
  4. Step 4: Simplify right side
    21,854,577.28x = 363,856,944,578,511.25
  5. Step 5: Solve for x
    x = 363,856,944,578,511.25/21,854,577.28
  6. Step 6: Final answer
    x = 16,649,004.00

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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.