Home / 28,655,741.20-42,983,611.80-9,744,509.20

Finding the Fourth Proportional to 28,655,741.20, 42,983,611.80 and 9,744,509.20

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Solution

The fourth proportional to 28,655,741.20, 42,983,611.80 and 9,744,509.20 is: 14,616,763.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,655,741.20 : 42,983,611.80 = 9,744,509.20 : x
  2. Step 2: Convert to fraction form
    28,655,741.20/42,983,611.80 = 9,744,509.20/x
  3. Step 3: Cross multiply
    28,655,741.20x = 42,983,611.80 × 9,744,509.20
  4. Step 4: Simplify right side
    28,655,741.20x = 418,854,200,634,328.50
  5. Step 5: Solve for x
    x = 418,854,200,634,328.50/28,655,741.20
  6. Step 6: Final answer
    x = 14,616,763.80

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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.