Home / 28,515,000.30-42,772,500.45-9,346,382.70

Finding the Fourth Proportional to 28,515,000.30, 42,772,500.45 and 9,346,382.70

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Solution

The fourth proportional to 28,515,000.30, 42,772,500.45 and 9,346,382.70 is: 14,019,574.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,515,000.30 : 42,772,500.45 = 9,346,382.70 : x
  2. Step 2: Convert to fraction form
    28,515,000.30/42,772,500.45 = 9,346,382.70/x
  3. Step 3: Cross multiply
    28,515,000.30x = 42,772,500.45 × 9,346,382.70
  4. Step 4: Simplify right side
    28,515,000.30x = 399,768,158,241,622.19
  5. Step 5: Solve for x
    x = 399,768,158,241,622.19/28,515,000.30
  6. Step 6: Final answer
    x = 14,019,574.05

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1.5x scale

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.