Home / 28,003,677.40-42,005,516.10-16,477,312.60

Finding the Fourth Proportional to 28,003,677.40, 42,005,516.10 and 16,477,312.60

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Solution

The fourth proportional to 28,003,677.40, 42,005,516.10 and 16,477,312.60 is: 24,715,968.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,003,677.40 : 42,005,516.10 = 16,477,312.60 : x
  2. Step 2: Convert to fraction form
    28,003,677.40/42,005,516.10 = 16,477,312.60/x
  3. Step 3: Cross multiply
    28,003,677.40x = 42,005,516.10 × 16,477,312.60
  4. Step 4: Simplify right side
    28,003,677.40x = 692,138,019,704,032.88
  5. Step 5: Solve for x
    x = 692,138,019,704,032.88/28,003,677.40
  6. Step 6: Final answer
    x = 24,715,968.90

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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.