Home / 28,003,647.40-42,005,471.10-16,477,282.60

Finding the Fourth Proportional to 28,003,647.40, 42,005,471.10 and 16,477,282.60

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Solution

The fourth proportional to 28,003,647.40, 42,005,471.10 and 16,477,282.60 is: 24,715,923.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,003,647.40 : 42,005,471.10 = 16,477,282.60 : x
  2. Step 2: Convert to fraction form
    28,003,647.40/42,005,471.10 = 16,477,282.60/x
  3. Step 3: Cross multiply
    28,003,647.40x = 42,005,471.10 × 16,477,282.60
  4. Step 4: Simplify right side
    28,003,647.40x = 692,136,018,060,832.88
  5. Step 5: Solve for x
    x = 692,136,018,060,832.88/28,003,647.40
  6. Step 6: Final answer
    x = 24,715,923.90

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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.