Home / 46,388,371.20-64,047,978.24-28,992,535.76

Finding the Fourth Proportional to 46,388,371.20, 64,047,978.24 and 28,992,535.76

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Solution

The fourth proportional to 46,388,371.20, 64,047,978.24 and 28,992,535.76 is: 40,029,715.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    46,388,371.20 : 64,047,978.24 = 28,992,535.76 : x
  2. Step 2: Convert to fraction form
    46,388,371.20/64,047,978.24 = 28,992,535.76/x
  3. Step 3: Cross multiply
    46,388,371.20x = 64,047,978.24 × 28,992,535.76
  4. Step 4: Simplify right side
    46,388,371.20x = 1,856,913,299,478,902
  5. Step 5: Solve for x
    x = 1,856,913,299,478,902/46,388,371.20
  6. Step 6: Final answer
    x = 40,029,715.45

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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.