Home / 28,200,964.08-42,301,592.07-12,837,509.46

Finding the Fourth Proportional to 28,200,964.08, 42,301,592.07 and 12,837,509.46

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Solution

The fourth proportional to 28,200,964.08, 42,301,592.07 and 12,837,509.46 is: 19,256,330.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,200,964.08 : 42,301,592.07 = 12,837,509.46 : x
  2. Step 2: Convert to fraction form
    28,200,964.08/42,301,592.07 = 12,837,509.46/x
  3. Step 3: Cross multiply
    28,200,964.08x = 42,301,592.07 × 12,837,509.46
  4. Step 4: Simplify right side
    28,200,964.08x = 543,047,088,371,686
  5. Step 5: Solve for x
    x = 543,047,088,371,686/28,200,964.08
  6. Step 6: Final answer
    x = 19,256,330.63

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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.