Home / 28,230,355.80-42,345,533.70-27,663,485.40

Finding the Fourth Proportional to 28,230,355.80, 42,345,533.70 and 27,663,485.40

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Solution

The fourth proportional to 28,230,355.80, 42,345,533.70 and 27,663,485.40 is: 41,495,228.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,230,355.80 : 42,345,533.70 = 27,663,485.40 : x
  2. Step 2: Convert to fraction form
    28,230,355.80/42,345,533.70 = 27,663,485.40/x
  3. Step 3: Cross multiply
    28,230,355.80x = 42,345,533.70 × 27,663,485.40
  4. Step 4: Simplify right side
    28,230,355.80x = 1,171,425,053,265,158
  5. Step 5: Solve for x
    x = 1,171,425,053,265,158/28,230,355.80
  6. Step 6: Final answer
    x = 41,495,228.10

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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.