Home / 28,514,915.80-42,772,373.70-9,346,298.20

Finding the Fourth Proportional to 28,514,915.80, 42,772,373.70 and 9,346,298.20

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Solution

The fourth proportional to 28,514,915.80, 42,772,373.70 and 9,346,298.20 is: 14,019,447.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,514,915.80 : 42,772,373.70 = 9,346,298.20 : x
  2. Step 2: Convert to fraction form
    28,514,915.80/42,772,373.70 = 9,346,298.20/x
  3. Step 3: Cross multiply
    28,514,915.80x = 42,772,373.70 × 9,346,298.20
  4. Step 4: Simplify right side
    28,514,915.80x = 399,763,359,322,037.31
  5. Step 5: Solve for x
    x = 399,763,359,322,037.31/28,514,915.80
  6. Step 6: Final answer
    x = 14,019,447.30

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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.