Home / 42,442,993.47-63,664,410.63-13,299,063.60

Finding the Fourth Proportional to 42,442,993.47, 63,664,410.63 and 13,299,063.60

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Solution

The fourth proportional to 42,442,993.47, 63,664,410.63 and 13,299,063.60 is: 19,948,570.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    42,442,993.47 : 63,664,410.63 = 13,299,063.60 : x
  2. Step 2: Convert to fraction form
    42,442,993.47/63,664,410.63 = 13,299,063.60/x
  3. Step 3: Cross multiply
    42,442,993.47x = 63,664,410.63 × 13,299,063.60
  4. Step 4: Simplify right side
    42,442,993.47x = 846,677,046,024,886.12
  5. Step 5: Solve for x
    x = 846,677,046,024,886.12/42,442,993.47
  6. Step 6: Final answer
    x = 19,948,570.47

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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.