Home / 40,482,133.48-55,899,384.42-28,915,177.96

Finding the Fourth Proportional to 40,482,133.48, 55,899,384.42 and 28,915,177.96

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Solution

The fourth proportional to 40,482,133.48, 55,899,384.42 and 28,915,177.96 is: 39,927,259.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    40,482,133.48 : 55,899,384.42 = 28,915,177.96 : x
  2. Step 2: Convert to fraction form
    40,482,133.48/55,899,384.42 = 28,915,177.96/x
  3. Step 3: Cross multiply
    40,482,133.48x = 55,899,384.42 × 28,915,177.96
  4. Step 4: Simplify right side
    40,482,133.48x = 1,616,340,648,358,751.50
  5. Step 5: Solve for x
    x = 1,616,340,648,358,751.50/40,482,133.48
  6. Step 6: Final answer
    x = 39,927,259.49

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.